diff --git a/Parser/pegen/parse.c b/Parser/pegen/parse.c
index f4dacbf..b4745ba 100644
--- a/Parser/pegen/parse.c
+++ b/Parser/pegen/parse.c
@@ -138,233 +138,227 @@
 #define expression_type 1067
 #define lambdef_type 1068
 #define lambda_parameters_type 1069
-#define lambda_slash_without_default_type 1070
+#define lambda_slash_no_default_type 1070
 #define lambda_slash_with_default_type 1071
 #define lambda_star_etc_type 1072
-#define lambda_name_with_optional_default_type 1073
-#define lambda_names_with_default_type 1074
-#define lambda_name_with_default_type 1075
-#define lambda_plain_names_type 1076
-#define lambda_plain_name_type 1077
-#define lambda_kwds_type 1078
-#define disjunction_type 1079
-#define conjunction_type 1080
-#define inversion_type 1081
-#define comparison_type 1082
-#define compare_op_bitwise_or_pair_type 1083
-#define eq_bitwise_or_type 1084
-#define noteq_bitwise_or_type 1085
-#define lte_bitwise_or_type 1086
-#define lt_bitwise_or_type 1087
-#define gte_bitwise_or_type 1088
-#define gt_bitwise_or_type 1089
-#define notin_bitwise_or_type 1090
-#define in_bitwise_or_type 1091
-#define isnot_bitwise_or_type 1092
-#define is_bitwise_or_type 1093
-#define bitwise_or_type 1094  // Left-recursive
-#define bitwise_xor_type 1095  // Left-recursive
-#define bitwise_and_type 1096  // Left-recursive
-#define shift_expr_type 1097  // Left-recursive
-#define sum_type 1098  // Left-recursive
-#define term_type 1099  // Left-recursive
-#define factor_type 1100
-#define power_type 1101
-#define await_primary_type 1102
-#define primary_type 1103  // Left-recursive
-#define slices_type 1104
-#define slice_type 1105
-#define atom_type 1106
-#define strings_type 1107
-#define list_type 1108
-#define listcomp_type 1109
-#define tuple_type 1110
-#define group_type 1111
-#define genexp_type 1112
-#define set_type 1113
-#define setcomp_type 1114
-#define dict_type 1115
-#define dictcomp_type 1116
-#define kvpairs_type 1117
-#define kvpair_type 1118
-#define for_if_clauses_type 1119
-#define for_if_clause_type 1120
-#define yield_expr_type 1121
-#define arguments_type 1122
-#define args_type 1123
-#define kwargs_type 1124
-#define starred_expression_type 1125
-#define kwarg_or_starred_type 1126
-#define kwarg_or_double_starred_type 1127
-#define star_targets_type 1128
-#define star_targets_seq_type 1129
-#define star_target_type 1130
-#define star_atom_type 1131
-#define inside_paren_ann_assign_target_type 1132
-#define ann_assign_subscript_attribute_target_type 1133
-#define del_targets_type 1134
-#define del_target_type 1135
-#define del_t_atom_type 1136
-#define targets_type 1137
-#define target_type 1138
-#define t_primary_type 1139  // Left-recursive
-#define t_lookahead_type 1140
-#define t_atom_type 1141
-#define incorrect_arguments_type 1142
-#define invalid_named_expression_type 1143
-#define invalid_assignment_type 1144
-#define invalid_block_type 1145
-#define invalid_comprehension_type 1146
-#define invalid_parameters_type 1147
-#define invalid_double_type_comments_type 1148
-#define _loop0_1_type 1149
-#define _loop0_2_type 1150
-#define _loop0_4_type 1151
-#define _gather_3_type 1152
-#define _loop0_6_type 1153
-#define _gather_5_type 1154
-#define _loop0_8_type 1155
-#define _gather_7_type 1156
-#define _loop0_10_type 1157
-#define _gather_9_type 1158
-#define _loop1_11_type 1159
-#define _loop0_13_type 1160
-#define _gather_12_type 1161
-#define _tmp_14_type 1162
-#define _tmp_15_type 1163
-#define _tmp_16_type 1164
-#define _tmp_17_type 1165
-#define _tmp_18_type 1166
-#define _tmp_19_type 1167
-#define _tmp_20_type 1168
-#define _tmp_21_type 1169
-#define _loop1_22_type 1170
-#define _tmp_23_type 1171
-#define _tmp_24_type 1172
-#define _loop0_26_type 1173
-#define _gather_25_type 1174
-#define _loop0_28_type 1175
-#define _gather_27_type 1176
-#define _tmp_29_type 1177
-#define _loop0_30_type 1178
-#define _loop1_31_type 1179
-#define _loop0_33_type 1180
-#define _gather_32_type 1181
-#define _tmp_34_type 1182
-#define _loop0_36_type 1183
-#define _gather_35_type 1184
-#define _tmp_37_type 1185
-#define _loop0_39_type 1186
-#define _gather_38_type 1187
-#define _loop0_41_type 1188
-#define _gather_40_type 1189
-#define _loop0_43_type 1190
-#define _gather_42_type 1191
-#define _loop0_45_type 1192
-#define _gather_44_type 1193
-#define _tmp_46_type 1194
-#define _loop1_47_type 1195
-#define _tmp_48_type 1196
-#define _tmp_49_type 1197
-#define _tmp_50_type 1198
-#define _tmp_51_type 1199
-#define _tmp_52_type 1200
-#define _loop0_53_type 1201
-#define _loop0_54_type 1202
-#define _loop0_55_type 1203
-#define _loop1_56_type 1204
-#define _loop0_57_type 1205
-#define _loop1_58_type 1206
-#define _loop1_59_type 1207
-#define _loop1_60_type 1208
-#define _loop0_61_type 1209
-#define _loop1_62_type 1210
-#define _loop0_63_type 1211
-#define _loop1_64_type 1212
-#define _loop0_65_type 1213
-#define _loop1_66_type 1214
-#define _loop1_67_type 1215
-#define _tmp_68_type 1216
-#define _loop0_70_type 1217
-#define _gather_69_type 1218
-#define _loop1_71_type 1219
-#define _loop0_73_type 1220
-#define _gather_72_type 1221
-#define _loop1_74_type 1222
-#define _tmp_75_type 1223
-#define _tmp_76_type 1224
-#define _tmp_77_type 1225
-#define _tmp_78_type 1226
-#define _tmp_79_type 1227
-#define _tmp_80_type 1228
-#define _tmp_81_type 1229
-#define _tmp_82_type 1230
-#define _tmp_83_type 1231
-#define _loop0_84_type 1232
-#define _tmp_85_type 1233
-#define _loop1_86_type 1234
-#define _tmp_87_type 1235
-#define _tmp_88_type 1236
-#define _loop0_90_type 1237
-#define _gather_89_type 1238
-#define _loop0_92_type 1239
-#define _gather_91_type 1240
-#define _loop1_93_type 1241
-#define _loop1_94_type 1242
-#define _loop1_95_type 1243
-#define _tmp_96_type 1244
-#define _loop0_98_type 1245
-#define _gather_97_type 1246
-#define _tmp_99_type 1247
-#define _tmp_100_type 1248
-#define _tmp_101_type 1249
-#define _tmp_102_type 1250
-#define _loop1_103_type 1251
-#define _tmp_104_type 1252
-#define _tmp_105_type 1253
-#define _loop0_107_type 1254
-#define _gather_106_type 1255
-#define _loop1_108_type 1256
-#define _loop0_109_type 1257
-#define _loop0_110_type 1258
-#define _tmp_111_type 1259
-#define _tmp_112_type 1260
-#define _loop0_114_type 1261
-#define _gather_113_type 1262
-#define _loop0_116_type 1263
-#define _gather_115_type 1264
-#define _loop0_118_type 1265
-#define _gather_117_type 1266
-#define _loop0_120_type 1267
-#define _gather_119_type 1268
-#define _loop0_121_type 1269
-#define _loop0_123_type 1270
-#define _gather_122_type 1271
-#define _tmp_124_type 1272
-#define _loop0_126_type 1273
-#define _gather_125_type 1274
-#define _loop0_128_type 1275
-#define _gather_127_type 1276
-#define _tmp_129_type 1277
-#define _tmp_130_type 1278
-#define _tmp_131_type 1279
-#define _tmp_132_type 1280
-#define _tmp_133_type 1281
-#define _loop0_134_type 1282
-#define _tmp_135_type 1283
-#define _tmp_136_type 1284
-#define _tmp_137_type 1285
-#define _tmp_138_type 1286
-#define _tmp_139_type 1287
-#define _tmp_140_type 1288
-#define _tmp_141_type 1289
-#define _tmp_142_type 1290
-#define _tmp_143_type 1291
-#define _tmp_144_type 1292
-#define _tmp_145_type 1293
-#define _tmp_146_type 1294
-#define _tmp_147_type 1295
-#define _loop1_148_type 1296
+#define lambda_kwds_type 1073
+#define lambda_param_no_default_type 1074
+#define lambda_param_with_default_type 1075
+#define lambda_param_maybe_default_type 1076
+#define lambda_param_type 1077
+#define disjunction_type 1078
+#define conjunction_type 1079
+#define inversion_type 1080
+#define comparison_type 1081
+#define compare_op_bitwise_or_pair_type 1082
+#define eq_bitwise_or_type 1083
+#define noteq_bitwise_or_type 1084
+#define lte_bitwise_or_type 1085
+#define lt_bitwise_or_type 1086
+#define gte_bitwise_or_type 1087
+#define gt_bitwise_or_type 1088
+#define notin_bitwise_or_type 1089
+#define in_bitwise_or_type 1090
+#define isnot_bitwise_or_type 1091
+#define is_bitwise_or_type 1092
+#define bitwise_or_type 1093  // Left-recursive
+#define bitwise_xor_type 1094  // Left-recursive
+#define bitwise_and_type 1095  // Left-recursive
+#define shift_expr_type 1096  // Left-recursive
+#define sum_type 1097  // Left-recursive
+#define term_type 1098  // Left-recursive
+#define factor_type 1099
+#define power_type 1100
+#define await_primary_type 1101
+#define primary_type 1102  // Left-recursive
+#define slices_type 1103
+#define slice_type 1104
+#define atom_type 1105
+#define strings_type 1106
+#define list_type 1107
+#define listcomp_type 1108
+#define tuple_type 1109
+#define group_type 1110
+#define genexp_type 1111
+#define set_type 1112
+#define setcomp_type 1113
+#define dict_type 1114
+#define dictcomp_type 1115
+#define kvpairs_type 1116
+#define kvpair_type 1117
+#define for_if_clauses_type 1118
+#define for_if_clause_type 1119
+#define yield_expr_type 1120
+#define arguments_type 1121
+#define args_type 1122
+#define kwargs_type 1123
+#define starred_expression_type 1124
+#define kwarg_or_starred_type 1125
+#define kwarg_or_double_starred_type 1126
+#define star_targets_type 1127
+#define star_targets_seq_type 1128
+#define star_target_type 1129
+#define star_atom_type 1130
+#define inside_paren_ann_assign_target_type 1131
+#define ann_assign_subscript_attribute_target_type 1132
+#define del_targets_type 1133
+#define del_target_type 1134
+#define del_t_atom_type 1135
+#define targets_type 1136
+#define target_type 1137
+#define t_primary_type 1138  // Left-recursive
+#define t_lookahead_type 1139
+#define t_atom_type 1140
+#define incorrect_arguments_type 1141
+#define invalid_named_expression_type 1142
+#define invalid_assignment_type 1143
+#define invalid_block_type 1144
+#define invalid_comprehension_type 1145
+#define invalid_parameters_type 1146
+#define invalid_double_type_comments_type 1147
+#define _loop0_1_type 1148
+#define _loop0_2_type 1149
+#define _loop0_4_type 1150
+#define _gather_3_type 1151
+#define _loop0_6_type 1152
+#define _gather_5_type 1153
+#define _loop0_8_type 1154
+#define _gather_7_type 1155
+#define _loop0_10_type 1156
+#define _gather_9_type 1157
+#define _loop1_11_type 1158
+#define _loop0_13_type 1159
+#define _gather_12_type 1160
+#define _tmp_14_type 1161
+#define _tmp_15_type 1162
+#define _tmp_16_type 1163
+#define _tmp_17_type 1164
+#define _tmp_18_type 1165
+#define _tmp_19_type 1166
+#define _tmp_20_type 1167
+#define _tmp_21_type 1168
+#define _loop1_22_type 1169
+#define _tmp_23_type 1170
+#define _tmp_24_type 1171
+#define _loop0_26_type 1172
+#define _gather_25_type 1173
+#define _loop0_28_type 1174
+#define _gather_27_type 1175
+#define _tmp_29_type 1176
+#define _loop0_30_type 1177
+#define _loop1_31_type 1178
+#define _loop0_33_type 1179
+#define _gather_32_type 1180
+#define _tmp_34_type 1181
+#define _loop0_36_type 1182
+#define _gather_35_type 1183
+#define _tmp_37_type 1184
+#define _loop0_39_type 1185
+#define _gather_38_type 1186
+#define _loop0_41_type 1187
+#define _gather_40_type 1188
+#define _loop0_43_type 1189
+#define _gather_42_type 1190
+#define _loop0_45_type 1191
+#define _gather_44_type 1192
+#define _tmp_46_type 1193
+#define _loop1_47_type 1194
+#define _tmp_48_type 1195
+#define _tmp_49_type 1196
+#define _tmp_50_type 1197
+#define _tmp_51_type 1198
+#define _tmp_52_type 1199
+#define _loop0_53_type 1200
+#define _loop0_54_type 1201
+#define _loop0_55_type 1202
+#define _loop1_56_type 1203
+#define _loop0_57_type 1204
+#define _loop1_58_type 1205
+#define _loop1_59_type 1206
+#define _loop1_60_type 1207
+#define _loop0_61_type 1208
+#define _loop1_62_type 1209
+#define _loop0_63_type 1210
+#define _loop1_64_type 1211
+#define _loop0_65_type 1212
+#define _loop1_66_type 1213
+#define _loop1_67_type 1214
+#define _tmp_68_type 1215
+#define _loop0_70_type 1216
+#define _gather_69_type 1217
+#define _loop1_71_type 1218
+#define _loop0_73_type 1219
+#define _gather_72_type 1220
+#define _loop1_74_type 1221
+#define _loop0_75_type 1222
+#define _loop0_76_type 1223
+#define _loop0_77_type 1224
+#define _loop1_78_type 1225
+#define _loop0_79_type 1226
+#define _loop1_80_type 1227
+#define _loop1_81_type 1228
+#define _loop1_82_type 1229
+#define _loop0_83_type 1230
+#define _loop1_84_type 1231
+#define _loop0_85_type 1232
+#define _loop1_86_type 1233
+#define _loop0_87_type 1234
+#define _loop1_88_type 1235
+#define _loop1_89_type 1236
+#define _loop1_90_type 1237
+#define _loop1_91_type 1238
+#define _tmp_92_type 1239
+#define _loop0_94_type 1240
+#define _gather_93_type 1241
+#define _tmp_95_type 1242
+#define _tmp_96_type 1243
+#define _tmp_97_type 1244
+#define _tmp_98_type 1245
+#define _loop1_99_type 1246
+#define _tmp_100_type 1247
+#define _tmp_101_type 1248
+#define _loop0_103_type 1249
+#define _gather_102_type 1250
+#define _loop1_104_type 1251
+#define _loop0_105_type 1252
+#define _loop0_106_type 1253
+#define _tmp_107_type 1254
+#define _tmp_108_type 1255
+#define _loop0_110_type 1256
+#define _gather_109_type 1257
+#define _loop0_112_type 1258
+#define _gather_111_type 1259
+#define _loop0_114_type 1260
+#define _gather_113_type 1261
+#define _loop0_116_type 1262
+#define _gather_115_type 1263
+#define _loop0_117_type 1264
+#define _loop0_119_type 1265
+#define _gather_118_type 1266
+#define _tmp_120_type 1267
+#define _loop0_122_type 1268
+#define _gather_121_type 1269
+#define _loop0_124_type 1270
+#define _gather_123_type 1271
+#define _tmp_125_type 1272
+#define _tmp_126_type 1273
+#define _tmp_127_type 1274
+#define _tmp_128_type 1275
+#define _tmp_129_type 1276
+#define _loop0_130_type 1277
+#define _tmp_131_type 1278
+#define _tmp_132_type 1279
+#define _tmp_133_type 1280
+#define _tmp_134_type 1281
+#define _tmp_135_type 1282
+#define _tmp_136_type 1283
+#define _tmp_137_type 1284
+#define _tmp_138_type 1285
+#define _tmp_139_type 1286
+#define _tmp_140_type 1287
+#define _tmp_141_type 1288
+#define _tmp_142_type 1289
+#define _loop1_143_type 1290
 
 static mod_ty file_rule(Parser *p);
 static mod_ty interactive_rule(Parser *p);
@@ -436,15 +430,14 @@
 static expr_ty expression_rule(Parser *p);
 static expr_ty lambdef_rule(Parser *p);
 static arguments_ty lambda_parameters_rule(Parser *p);
-static asdl_seq* lambda_slash_without_default_rule(Parser *p);
+static asdl_seq* lambda_slash_no_default_rule(Parser *p);
 static SlashWithDefault* lambda_slash_with_default_rule(Parser *p);
 static StarEtc* lambda_star_etc_rule(Parser *p);
-static NameDefaultPair* lambda_name_with_optional_default_rule(Parser *p);
-static asdl_seq* lambda_names_with_default_rule(Parser *p);
-static NameDefaultPair* lambda_name_with_default_rule(Parser *p);
-static asdl_seq* lambda_plain_names_rule(Parser *p);
-static arg_ty lambda_plain_name_rule(Parser *p);
 static arg_ty lambda_kwds_rule(Parser *p);
+static arg_ty lambda_param_no_default_rule(Parser *p);
+static NameDefaultPair* lambda_param_with_default_rule(Parser *p);
+static NameDefaultPair* lambda_param_maybe_default_rule(Parser *p);
+static arg_ty lambda_param_rule(Parser *p);
 static expr_ty disjunction_rule(Parser *p);
 static expr_ty conjunction_rule(Parser *p);
 static expr_ty inversion_rule(Parser *p);
@@ -589,66 +582,66 @@
 static asdl_seq *_loop0_73_rule(Parser *p);
 static asdl_seq *_gather_72_rule(Parser *p);
 static asdl_seq *_loop1_74_rule(Parser *p);
-static void *_tmp_75_rule(Parser *p);
-static void *_tmp_76_rule(Parser *p);
-static void *_tmp_77_rule(Parser *p);
-static void *_tmp_78_rule(Parser *p);
-static void *_tmp_79_rule(Parser *p);
-static void *_tmp_80_rule(Parser *p);
-static void *_tmp_81_rule(Parser *p);
-static void *_tmp_82_rule(Parser *p);
-static void *_tmp_83_rule(Parser *p);
-static asdl_seq *_loop0_84_rule(Parser *p);
-static void *_tmp_85_rule(Parser *p);
+static asdl_seq *_loop0_75_rule(Parser *p);
+static asdl_seq *_loop0_76_rule(Parser *p);
+static asdl_seq *_loop0_77_rule(Parser *p);
+static asdl_seq *_loop1_78_rule(Parser *p);
+static asdl_seq *_loop0_79_rule(Parser *p);
+static asdl_seq *_loop1_80_rule(Parser *p);
+static asdl_seq *_loop1_81_rule(Parser *p);
+static asdl_seq *_loop1_82_rule(Parser *p);
+static asdl_seq *_loop0_83_rule(Parser *p);
+static asdl_seq *_loop1_84_rule(Parser *p);
+static asdl_seq *_loop0_85_rule(Parser *p);
 static asdl_seq *_loop1_86_rule(Parser *p);
-static void *_tmp_87_rule(Parser *p);
-static void *_tmp_88_rule(Parser *p);
-static asdl_seq *_loop0_90_rule(Parser *p);
-static asdl_seq *_gather_89_rule(Parser *p);
-static asdl_seq *_loop0_92_rule(Parser *p);
-static asdl_seq *_gather_91_rule(Parser *p);
-static asdl_seq *_loop1_93_rule(Parser *p);
-static asdl_seq *_loop1_94_rule(Parser *p);
-static asdl_seq *_loop1_95_rule(Parser *p);
+static asdl_seq *_loop0_87_rule(Parser *p);
+static asdl_seq *_loop1_88_rule(Parser *p);
+static asdl_seq *_loop1_89_rule(Parser *p);
+static asdl_seq *_loop1_90_rule(Parser *p);
+static asdl_seq *_loop1_91_rule(Parser *p);
+static void *_tmp_92_rule(Parser *p);
+static asdl_seq *_loop0_94_rule(Parser *p);
+static asdl_seq *_gather_93_rule(Parser *p);
+static void *_tmp_95_rule(Parser *p);
 static void *_tmp_96_rule(Parser *p);
-static asdl_seq *_loop0_98_rule(Parser *p);
-static asdl_seq *_gather_97_rule(Parser *p);
-static void *_tmp_99_rule(Parser *p);
+static void *_tmp_97_rule(Parser *p);
+static void *_tmp_98_rule(Parser *p);
+static asdl_seq *_loop1_99_rule(Parser *p);
 static void *_tmp_100_rule(Parser *p);
 static void *_tmp_101_rule(Parser *p);
-static void *_tmp_102_rule(Parser *p);
-static asdl_seq *_loop1_103_rule(Parser *p);
-static void *_tmp_104_rule(Parser *p);
-static void *_tmp_105_rule(Parser *p);
-static asdl_seq *_loop0_107_rule(Parser *p);
-static asdl_seq *_gather_106_rule(Parser *p);
-static asdl_seq *_loop1_108_rule(Parser *p);
-static asdl_seq *_loop0_109_rule(Parser *p);
+static asdl_seq *_loop0_103_rule(Parser *p);
+static asdl_seq *_gather_102_rule(Parser *p);
+static asdl_seq *_loop1_104_rule(Parser *p);
+static asdl_seq *_loop0_105_rule(Parser *p);
+static asdl_seq *_loop0_106_rule(Parser *p);
+static void *_tmp_107_rule(Parser *p);
+static void *_tmp_108_rule(Parser *p);
 static asdl_seq *_loop0_110_rule(Parser *p);
-static void *_tmp_111_rule(Parser *p);
-static void *_tmp_112_rule(Parser *p);
+static asdl_seq *_gather_109_rule(Parser *p);
+static asdl_seq *_loop0_112_rule(Parser *p);
+static asdl_seq *_gather_111_rule(Parser *p);
 static asdl_seq *_loop0_114_rule(Parser *p);
 static asdl_seq *_gather_113_rule(Parser *p);
 static asdl_seq *_loop0_116_rule(Parser *p);
 static asdl_seq *_gather_115_rule(Parser *p);
-static asdl_seq *_loop0_118_rule(Parser *p);
-static asdl_seq *_gather_117_rule(Parser *p);
-static asdl_seq *_loop0_120_rule(Parser *p);
-static asdl_seq *_gather_119_rule(Parser *p);
-static asdl_seq *_loop0_121_rule(Parser *p);
-static asdl_seq *_loop0_123_rule(Parser *p);
-static asdl_seq *_gather_122_rule(Parser *p);
-static void *_tmp_124_rule(Parser *p);
-static asdl_seq *_loop0_126_rule(Parser *p);
-static asdl_seq *_gather_125_rule(Parser *p);
-static asdl_seq *_loop0_128_rule(Parser *p);
-static asdl_seq *_gather_127_rule(Parser *p);
+static asdl_seq *_loop0_117_rule(Parser *p);
+static asdl_seq *_loop0_119_rule(Parser *p);
+static asdl_seq *_gather_118_rule(Parser *p);
+static void *_tmp_120_rule(Parser *p);
+static asdl_seq *_loop0_122_rule(Parser *p);
+static asdl_seq *_gather_121_rule(Parser *p);
+static asdl_seq *_loop0_124_rule(Parser *p);
+static asdl_seq *_gather_123_rule(Parser *p);
+static void *_tmp_125_rule(Parser *p);
+static void *_tmp_126_rule(Parser *p);
+static void *_tmp_127_rule(Parser *p);
+static void *_tmp_128_rule(Parser *p);
 static void *_tmp_129_rule(Parser *p);
-static void *_tmp_130_rule(Parser *p);
+static asdl_seq *_loop0_130_rule(Parser *p);
 static void *_tmp_131_rule(Parser *p);
 static void *_tmp_132_rule(Parser *p);
 static void *_tmp_133_rule(Parser *p);
-static asdl_seq *_loop0_134_rule(Parser *p);
+static void *_tmp_134_rule(Parser *p);
 static void *_tmp_135_rule(Parser *p);
 static void *_tmp_136_rule(Parser *p);
 static void *_tmp_137_rule(Parser *p);
@@ -657,12 +650,7 @@
 static void *_tmp_140_rule(Parser *p);
 static void *_tmp_141_rule(Parser *p);
 static void *_tmp_142_rule(Parser *p);
-static void *_tmp_143_rule(Parser *p);
-static void *_tmp_144_rule(Parser *p);
-static void *_tmp_145_rule(Parser *p);
-static void *_tmp_146_rule(Parser *p);
-static void *_tmp_147_rule(Parser *p);
-static asdl_seq *_loop1_148_rule(Parser *p);
+static asdl_seq *_loop1_143_rule(Parser *p);
 
 
 // file: statements? $
@@ -5217,10 +5205,10 @@
 }
 
 // lambda_parameters:
-//     | lambda_slash_without_default [',' lambda_plain_names] [',' lambda_names_with_default] [',' lambda_star_etc?]
-//     | lambda_slash_with_default [',' lambda_names_with_default] [',' lambda_star_etc?]
-//     | lambda_plain_names [',' lambda_names_with_default] [',' lambda_star_etc?]
-//     | lambda_names_with_default [',' lambda_star_etc?]
+//     | lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?
+//     | lambda_slash_with_default lambda_param_with_default* lambda_star_etc?
+//     | lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?
+//     | lambda_param_with_default+ lambda_star_etc?
 //     | lambda_star_etc
 static arguments_ty
 lambda_parameters_rule(Parser *p)
@@ -5230,19 +5218,19 @@
     }
     arguments_ty res = NULL;
     int mark = p->mark;
-    { // lambda_slash_without_default [',' lambda_plain_names] [',' lambda_names_with_default] [',' lambda_star_etc?]
+    { // lambda_slash_no_default lambda_param_no_default* lambda_param_with_default* lambda_star_etc?
         asdl_seq* a;
-        void *b;
-        void *c;
+        asdl_seq * b;
+        asdl_seq * c;
         void *d;
         if (
-            (a = lambda_slash_without_default_rule(p))
+            (a = lambda_slash_no_default_rule(p))
             &&
-            (b = _tmp_75_rule(p), 1)
+            (b = _loop0_75_rule(p))
             &&
-            (c = _tmp_76_rule(p), 1)
+            (c = _loop0_76_rule(p))
             &&
-            (d = _tmp_77_rule(p), 1)
+            (d = lambda_star_etc_rule(p), 1)
         )
         {
             res = _PyPegen_make_arguments ( p , a , NULL , b , c , d );
@@ -5254,16 +5242,16 @@
         }
         p->mark = mark;
     }
-    { // lambda_slash_with_default [',' lambda_names_with_default] [',' lambda_star_etc?]
+    { // lambda_slash_with_default lambda_param_with_default* lambda_star_etc?
         SlashWithDefault* a;
-        void *b;
+        asdl_seq * b;
         void *c;
         if (
             (a = lambda_slash_with_default_rule(p))
             &&
-            (b = _tmp_78_rule(p), 1)
+            (b = _loop0_77_rule(p))
             &&
-            (c = _tmp_79_rule(p), 1)
+            (c = lambda_star_etc_rule(p), 1)
         )
         {
             res = _PyPegen_make_arguments ( p , NULL , a , NULL , b , c );
@@ -5275,16 +5263,16 @@
         }
         p->mark = mark;
     }
-    { // lambda_plain_names [',' lambda_names_with_default] [',' lambda_star_etc?]
-        asdl_seq* a;
-        void *b;
+    { // lambda_param_no_default+ lambda_param_with_default* lambda_star_etc?
+        asdl_seq * a;
+        asdl_seq * b;
         void *c;
         if (
-            (a = lambda_plain_names_rule(p))
+            (a = _loop1_78_rule(p))
             &&
-            (b = _tmp_80_rule(p), 1)
+            (b = _loop0_79_rule(p))
             &&
-            (c = _tmp_81_rule(p), 1)
+            (c = lambda_star_etc_rule(p), 1)
         )
         {
             res = _PyPegen_make_arguments ( p , NULL , NULL , a , b , c );
@@ -5296,13 +5284,13 @@
         }
         p->mark = mark;
     }
-    { // lambda_names_with_default [',' lambda_star_etc?]
-        asdl_seq* a;
+    { // lambda_param_with_default+ lambda_star_etc?
+        asdl_seq * a;
         void *b;
         if (
-            (a = lambda_names_with_default_rule(p))
+            (a = _loop1_80_rule(p))
             &&
-            (b = _tmp_82_rule(p), 1)
+            (b = lambda_star_etc_rule(p), 1)
         )
         {
             res = _PyPegen_make_arguments ( p , NULL , NULL , NULL , a , b );
@@ -5334,25 +5322,47 @@
     return res;
 }
 
-// lambda_slash_without_default: lambda_plain_names ',' '/'
+// lambda_slash_no_default:
+//     | lambda_param_no_default+ '/' ','
+//     | lambda_param_no_default+ '/' &':'
 static asdl_seq*
-lambda_slash_without_default_rule(Parser *p)
+lambda_slash_no_default_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq* res = NULL;
     int mark = p->mark;
-    { // lambda_plain_names ',' '/'
-        asdl_seq* a;
+    { // lambda_param_no_default+ '/' ','
+        asdl_seq * a;
         Token * literal;
         Token * literal_1;
         if (
-            (a = lambda_plain_names_rule(p))
+            (a = _loop1_81_rule(p))
             &&
-            (literal = _PyPegen_expect_token(p, 12))
+            (literal = _PyPegen_expect_token(p, 17))
             &&
-            (literal_1 = _PyPegen_expect_token(p, 17))
+            (literal_1 = _PyPegen_expect_token(p, 12))
+        )
+        {
+            res = a;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    { // lambda_param_no_default+ '/' &':'
+        asdl_seq * a;
+        Token * literal;
+        if (
+            (a = _loop1_82_rule(p))
+            &&
+            (literal = _PyPegen_expect_token(p, 17))
+            &&
+            _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)
         )
         {
             res = a;
@@ -5369,7 +5379,9 @@
     return res;
 }
 
-// lambda_slash_with_default: [lambda_plain_names ','] lambda_names_with_default ',' '/'
+// lambda_slash_with_default:
+//     | lambda_param_no_default* lambda_param_with_default+ '/' ','
+//     | lambda_param_no_default* lambda_param_with_default+ '/' &':'
 static SlashWithDefault*
 lambda_slash_with_default_rule(Parser *p)
 {
@@ -5378,19 +5390,42 @@
     }
     SlashWithDefault* res = NULL;
     int mark = p->mark;
-    { // [lambda_plain_names ','] lambda_names_with_default ',' '/'
-        void *a;
-        asdl_seq* b;
+    { // lambda_param_no_default* lambda_param_with_default+ '/' ','
+        asdl_seq * a;
+        asdl_seq * b;
         Token * literal;
         Token * literal_1;
         if (
-            (a = _tmp_83_rule(p), 1)
+            (a = _loop0_83_rule(p))
             &&
-            (b = lambda_names_with_default_rule(p))
+            (b = _loop1_84_rule(p))
             &&
-            (literal = _PyPegen_expect_token(p, 12))
+            (literal = _PyPegen_expect_token(p, 17))
             &&
-            (literal_1 = _PyPegen_expect_token(p, 17))
+            (literal_1 = _PyPegen_expect_token(p, 12))
+        )
+        {
+            res = _PyPegen_slash_with_default ( p , a , b );
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    { // lambda_param_no_default* lambda_param_with_default+ '/' &':'
+        asdl_seq * a;
+        asdl_seq * b;
+        Token * literal;
+        if (
+            (a = _loop0_85_rule(p))
+            &&
+            (b = _loop1_86_rule(p))
+            &&
+            (literal = _PyPegen_expect_token(p, 17))
+            &&
+            _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)
         )
         {
             res = _PyPegen_slash_with_default ( p , a , b );
@@ -5408,9 +5443,9 @@
 }
 
 // lambda_star_etc:
-//     | '*' lambda_plain_name lambda_name_with_optional_default* [',' lambda_kwds] ','?
-//     | '*' lambda_name_with_optional_default+ [',' lambda_kwds] ','?
-//     | lambda_kwds ','?
+//     | '*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?
+//     | '*' ',' lambda_param_maybe_default+ lambda_kwds?
+//     | lambda_kwds
 static StarEtc*
 lambda_star_etc_rule(Parser *p)
 {
@@ -5419,23 +5454,19 @@
     }
     StarEtc* res = NULL;
     int mark = p->mark;
-    { // '*' lambda_plain_name lambda_name_with_optional_default* [',' lambda_kwds] ','?
+    { // '*' lambda_param_no_default lambda_param_maybe_default* lambda_kwds?
         arg_ty a;
         asdl_seq * b;
         void *c;
         Token * literal;
-        void *opt_var;
-        UNUSED(opt_var); // Silence compiler warnings
         if (
             (literal = _PyPegen_expect_token(p, 16))
             &&
-            (a = lambda_plain_name_rule(p))
+            (a = lambda_param_no_default_rule(p))
             &&
-            (b = _loop0_84_rule(p))
+            (b = _loop0_87_rule(p))
             &&
-            (c = _tmp_85_rule(p), 1)
-            &&
-            (opt_var = _PyPegen_expect_token(p, 12), 1)
+            (c = lambda_kwds_rule(p), 1)
         )
         {
             res = _PyPegen_star_etc ( p , a , b , c );
@@ -5447,20 +5478,19 @@
         }
         p->mark = mark;
     }
-    { // '*' lambda_name_with_optional_default+ [',' lambda_kwds] ','?
+    { // '*' ',' lambda_param_maybe_default+ lambda_kwds?
         asdl_seq * b;
         void *c;
         Token * literal;
-        void *opt_var;
-        UNUSED(opt_var); // Silence compiler warnings
+        Token * literal_1;
         if (
             (literal = _PyPegen_expect_token(p, 16))
             &&
-            (b = _loop1_86_rule(p))
+            (literal_1 = _PyPegen_expect_token(p, 12))
             &&
-            (c = _tmp_87_rule(p), 1)
+            (b = _loop1_88_rule(p))
             &&
-            (opt_var = _PyPegen_expect_token(p, 12), 1)
+            (c = lambda_kwds_rule(p), 1)
         )
         {
             res = _PyPegen_star_etc ( p , NULL , b , c );
@@ -5472,14 +5502,10 @@
         }
         p->mark = mark;
     }
-    { // lambda_kwds ','?
+    { // lambda_kwds
         arg_ty a;
-        void *opt_var;
-        UNUSED(opt_var); // Silence compiler warnings
         if (
             (a = lambda_kwds_rule(p))
-            &&
-            (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
         {
             res = _PyPegen_star_etc ( p , NULL , NULL , a );
@@ -5496,137 +5522,200 @@
     return res;
 }
 
-// lambda_name_with_optional_default: ',' lambda_plain_name ['=' expression]
-static NameDefaultPair*
-lambda_name_with_optional_default_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    NameDefaultPair* res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_plain_name ['=' expression]
-        arg_ty a;
-        void *b;
-        Token * literal;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (a = lambda_plain_name_rule(p))
-            &&
-            (b = _tmp_88_rule(p), 1)
-        )
-        {
-            res = _PyPegen_name_default_pair ( p , a , b , NULL );
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// lambda_names_with_default: ','.lambda_name_with_default+
-static asdl_seq*
-lambda_names_with_default_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq* res = NULL;
-    int mark = p->mark;
-    { // ','.lambda_name_with_default+
-        asdl_seq * a;
-        if (
-            (a = _gather_89_rule(p))
-        )
-        {
-            res = a;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// lambda_name_with_default: lambda_plain_name '=' expression
-static NameDefaultPair*
-lambda_name_with_default_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    NameDefaultPair* res = NULL;
-    int mark = p->mark;
-    { // lambda_plain_name '=' expression
-        expr_ty e;
-        Token * literal;
-        arg_ty n;
-        if (
-            (n = lambda_plain_name_rule(p))
-            &&
-            (literal = _PyPegen_expect_token(p, 22))
-            &&
-            (e = expression_rule(p))
-        )
-        {
-            res = _PyPegen_name_default_pair ( p , n , e , NULL );
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// lambda_plain_names: ','.(lambda_plain_name !'=')+
-static asdl_seq*
-lambda_plain_names_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq* res = NULL;
-    int mark = p->mark;
-    { // ','.(lambda_plain_name !'=')+
-        asdl_seq * a;
-        if (
-            (a = _gather_91_rule(p))
-        )
-        {
-            res = a;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// lambda_plain_name: NAME
+// lambda_kwds: '**' lambda_param_no_default
 static arg_ty
-lambda_plain_name_rule(Parser *p)
+lambda_kwds_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    arg_ty res = NULL;
+    int mark = p->mark;
+    { // '**' lambda_param_no_default
+        arg_ty a;
+        Token * literal;
+        if (
+            (literal = _PyPegen_expect_token(p, 35))
+            &&
+            (a = lambda_param_no_default_rule(p))
+        )
+        {
+            res = a;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
+// lambda_param_no_default: lambda_param ',' | lambda_param &':'
+static arg_ty
+lambda_param_no_default_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    arg_ty res = NULL;
+    int mark = p->mark;
+    { // lambda_param ','
+        arg_ty a;
+        Token * literal;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            (literal = _PyPegen_expect_token(p, 12))
+        )
+        {
+            res = a;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    { // lambda_param &':'
+        arg_ty a;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)
+        )
+        {
+            res = a;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
+// lambda_param_with_default: lambda_param default ',' | lambda_param default &':'
+static NameDefaultPair*
+lambda_param_with_default_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    NameDefaultPair* res = NULL;
+    int mark = p->mark;
+    { // lambda_param default ','
+        arg_ty a;
+        expr_ty c;
+        Token * literal;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            (c = default_rule(p))
+            &&
+            (literal = _PyPegen_expect_token(p, 12))
+        )
+        {
+            res = _PyPegen_name_default_pair ( p , a , c , NULL );
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    { // lambda_param default &':'
+        arg_ty a;
+        expr_ty c;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            (c = default_rule(p))
+            &&
+            _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)
+        )
+        {
+            res = _PyPegen_name_default_pair ( p , a , c , NULL );
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
+// lambda_param_maybe_default: lambda_param default? ',' | lambda_param default? &':'
+static NameDefaultPair*
+lambda_param_maybe_default_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    NameDefaultPair* res = NULL;
+    int mark = p->mark;
+    { // lambda_param default? ','
+        arg_ty a;
+        void *c;
+        Token * literal;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            (c = default_rule(p), 1)
+            &&
+            (literal = _PyPegen_expect_token(p, 12))
+        )
+        {
+            res = _PyPegen_name_default_pair ( p , a , c , NULL );
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    { // lambda_param default? &':'
+        arg_ty a;
+        void *c;
+        if (
+            (a = lambda_param_rule(p))
+            &&
+            (c = default_rule(p), 1)
+            &&
+            _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 11)
+        )
+        {
+            res = _PyPegen_name_default_pair ( p , a , c , NULL );
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                return NULL;
+            }
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
+// lambda_param: NAME
+static arg_ty
+lambda_param_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -5669,38 +5758,6 @@
     return res;
 }
 
-// lambda_kwds: '**' lambda_plain_name
-static arg_ty
-lambda_kwds_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    arg_ty res = NULL;
-    int mark = p->mark;
-    { // '**' lambda_plain_name
-        arg_ty a;
-        Token * literal;
-        if (
-            (literal = _PyPegen_expect_token(p, 35))
-            &&
-            (a = lambda_plain_name_rule(p))
-        )
-        {
-            res = a;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
 // disjunction: conjunction (('or' conjunction))+ | conjunction
 static expr_ty
 disjunction_rule(Parser *p)
@@ -5726,7 +5783,7 @@
         if (
             (a = conjunction_rule(p))
             &&
-            (b = _loop1_93_rule(p))
+            (b = _loop1_89_rule(p))
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -5788,7 +5845,7 @@
         if (
             (a = inversion_rule(p))
             &&
-            (b = _loop1_94_rule(p))
+            (b = _loop1_90_rule(p))
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -5910,7 +5967,7 @@
         if (
             (a = bitwise_or_rule(p))
             &&
-            (b = _loop1_95_rule(p))
+            (b = _loop1_91_rule(p))
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -6122,10 +6179,10 @@
     CmpopExprPair* res = NULL;
     int mark = p->mark;
     { // ('!=') bitwise_or
-        void *_tmp_96_var;
+        void *_tmp_92_var;
         expr_ty a;
         if (
-            (_tmp_96_var = _tmp_96_rule(p))
+            (_tmp_92_var = _tmp_92_rule(p))
             &&
             (a = bitwise_or_rule(p))
         )
@@ -7567,7 +7624,7 @@
         void *opt_var;
         UNUSED(opt_var); // Silence compiler warnings
         if (
-            (a = _gather_97_rule(p))
+            (a = _gather_93_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -7623,7 +7680,7 @@
             &&
             (b = expression_rule(p), 1)
             &&
-            (c = _tmp_99_rule(p), 1)
+            (c = _tmp_95_rule(p), 1)
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -7811,40 +7868,40 @@
         p->mark = mark;
     }
     { // &'(' (tuple | group | genexp)
-        void *_tmp_100_var;
+        void *_tmp_96_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 7)
             &&
-            (_tmp_100_var = _tmp_100_rule(p))
+            (_tmp_96_var = _tmp_96_rule(p))
         )
         {
-            res = _tmp_100_var;
+            res = _tmp_96_var;
             goto done;
         }
         p->mark = mark;
     }
     { // &'[' (list | listcomp)
-        void *_tmp_101_var;
+        void *_tmp_97_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 9)
             &&
-            (_tmp_101_var = _tmp_101_rule(p))
+            (_tmp_97_var = _tmp_97_rule(p))
         )
         {
-            res = _tmp_101_var;
+            res = _tmp_97_var;
             goto done;
         }
         p->mark = mark;
     }
     { // &'{' (dict | set | dictcomp | setcomp)
-        void *_tmp_102_var;
+        void *_tmp_98_var;
         if (
             _PyPegen_lookahead_with_int(1, _PyPegen_expect_token, p, 25)
             &&
-            (_tmp_102_var = _tmp_102_rule(p))
+            (_tmp_98_var = _tmp_98_rule(p))
         )
         {
-            res = _tmp_102_var;
+            res = _tmp_98_var;
             goto done;
         }
         p->mark = mark;
@@ -7891,7 +7948,7 @@
     { // STRING+
         asdl_seq * a;
         if (
-            (a = _loop1_103_rule(p))
+            (a = _loop1_99_rule(p))
         )
         {
             res = _PyPegen_concatenate_strings ( p , a );
@@ -8049,7 +8106,7 @@
         if (
             (literal = _PyPegen_expect_token(p, 7))
             &&
-            (a = _tmp_104_rule(p), 1)
+            (a = _tmp_100_rule(p), 1)
             &&
             (literal_1 = _PyPegen_expect_token(p, 8))
         )
@@ -8092,7 +8149,7 @@
         if (
             (literal = _PyPegen_expect_token(p, 7))
             &&
-            (a = _tmp_105_rule(p))
+            (a = _tmp_101_rule(p))
             &&
             (literal_1 = _PyPegen_expect_token(p, 8))
         )
@@ -8411,7 +8468,7 @@
         void *opt_var;
         UNUSED(opt_var); // Silence compiler warnings
         if (
-            (a = _gather_106_rule(p))
+            (a = _gather_102_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -8493,12 +8550,12 @@
     asdl_seq* res = NULL;
     int mark = p->mark;
     { // for_if_clause+
-        asdl_seq * _loop1_108_var;
+        asdl_seq * _loop1_104_var;
         if (
-            (_loop1_108_var = _loop1_108_rule(p))
+            (_loop1_104_var = _loop1_104_rule(p))
         )
         {
-            res = _loop1_108_var;
+            res = _loop1_104_var;
             goto done;
         }
         p->mark = mark;
@@ -8537,7 +8594,7 @@
             &&
             (b = disjunction_rule(p))
             &&
-            (c = _loop0_109_rule(p))
+            (c = _loop0_105_rule(p))
         )
         {
             res = CHECK_VERSION ( 6 , "Async comprehensions are" , _Py_comprehension ( a , b , c , 1 , p -> arena ) );
@@ -8564,7 +8621,7 @@
             &&
             (b = disjunction_rule(p))
             &&
-            (c = _loop0_110_rule(p))
+            (c = _loop0_106_rule(p))
         )
         {
             res = _Py_comprehension ( a , b , c , 0 , p -> arena );
@@ -8730,7 +8787,7 @@
         if (
             (a = starred_expression_rule(p))
             &&
-            (b = _tmp_111_rule(p), 1)
+            (b = _tmp_107_rule(p), 1)
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -8779,7 +8836,7 @@
         if (
             (a = named_expression_rule(p))
             &&
-            (b = _tmp_112_rule(p), 1)
+            (b = _tmp_108_rule(p), 1)
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -8821,11 +8878,11 @@
         asdl_seq * b;
         Token * literal;
         if (
-            (a = _gather_113_rule(p))
+            (a = _gather_109_rule(p))
             &&
             (literal = _PyPegen_expect_token(p, 12))
             &&
-            (b = _gather_115_rule(p))
+            (b = _gather_111_rule(p))
         )
         {
             res = _PyPegen_join_sequences ( p , a , b );
@@ -8838,23 +8895,23 @@
         p->mark = mark;
     }
     { // ','.kwarg_or_starred+
-        asdl_seq * _gather_117_var;
+        asdl_seq * _gather_113_var;
         if (
-            (_gather_117_var = _gather_117_rule(p))
+            (_gather_113_var = _gather_113_rule(p))
         )
         {
-            res = _gather_117_var;
+            res = _gather_113_var;
             goto done;
         }
         p->mark = mark;
     }
     { // ','.kwarg_or_double_starred+
-        asdl_seq * _gather_119_var;
+        asdl_seq * _gather_115_var;
         if (
-            (_gather_119_var = _gather_119_rule(p))
+            (_gather_115_var = _gather_115_rule(p))
         )
         {
-            res = _gather_119_var;
+            res = _gather_115_var;
             goto done;
         }
         p->mark = mark;
@@ -9097,7 +9154,7 @@
         if (
             (a = star_target_rule(p))
             &&
-            (b = _loop0_121_rule(p))
+            (b = _loop0_117_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -9138,7 +9195,7 @@
         void *opt_var;
         UNUSED(opt_var); // Silence compiler warnings
         if (
-            (a = _gather_122_rule(p))
+            (a = _gather_118_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -9186,7 +9243,7 @@
         if (
             (literal = _PyPegen_expect_token(p, 16))
             &&
-            (a = _tmp_124_rule(p))
+            (a = _tmp_120_rule(p))
         )
         {
             Token *token = _PyPegen_get_last_nonnwhitespace_token(p);
@@ -9575,7 +9632,7 @@
         void *opt_var;
         UNUSED(opt_var); // Silence compiler warnings
         if (
-            (a = _gather_125_rule(p))
+            (a = _gather_121_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -9828,7 +9885,7 @@
         void *opt_var;
         UNUSED(opt_var); // Silence compiler warnings
         if (
-            (a = _gather_127_rule(p))
+            (a = _gather_123_rule(p))
             &&
             (opt_var = _PyPegen_expect_token(p, 12), 1)
         )
@@ -10356,7 +10413,7 @@
             &&
             (literal = _PyPegen_expect_token(p, 12))
             &&
-            (opt_var = _tmp_129_rule(p), 1)
+            (opt_var = _tmp_125_rule(p), 1)
         )
         {
             res = RAISE_SYNTAX_ERROR ( "Generator expression must be parenthesized" );
@@ -10491,7 +10548,7 @@
             &&
             (expression_var_1 = expression_rule(p))
             &&
-            (opt_var = _tmp_130_rule(p), 1)
+            (opt_var = _tmp_126_rule(p), 1)
         )
         {
             res = RAISE_SYNTAX_ERROR ( "illegal target for annotation" );
@@ -10504,15 +10561,15 @@
         p->mark = mark;
     }
     { // expression ('=' | augassign) (yield_expr | star_expressions)
-        void *_tmp_131_var;
-        void *_tmp_132_var;
+        void *_tmp_127_var;
+        void *_tmp_128_var;
         expr_ty a;
         if (
             (a = expression_rule(p))
             &&
-            (_tmp_131_var = _tmp_131_rule(p))
+            (_tmp_127_var = _tmp_127_rule(p))
             &&
-            (_tmp_132_var = _tmp_132_rule(p))
+            (_tmp_128_var = _tmp_128_rule(p))
         )
         {
             res = RAISE_SYNTAX_ERROR_NO_COL_OFFSET ( "cannot assign to %s" , _PyPegen_get_expr_name ( a ) );
@@ -10570,12 +10627,12 @@
     void * res = NULL;
     int mark = p->mark;
     { // ('[' | '(' | '{') '*' expression for_if_clauses
-        void *_tmp_133_var;
+        void *_tmp_129_var;
         expr_ty expression_var;
         asdl_seq* for_if_clauses_var;
         Token * literal;
         if (
-            (_tmp_133_var = _tmp_133_rule(p))
+            (_tmp_129_var = _tmp_129_rule(p))
             &&
             (literal = _PyPegen_expect_token(p, 16))
             &&
@@ -10609,13 +10666,13 @@
     void * res = NULL;
     int mark = p->mark;
     { // param_no_default* (slash_with_default | param_with_default+) param_no_default
-        asdl_seq * _loop0_134_var;
-        void *_tmp_135_var;
+        asdl_seq * _loop0_130_var;
+        void *_tmp_131_var;
         arg_ty param_no_default_var;
         if (
-            (_loop0_134_var = _loop0_134_rule(p))
+            (_loop0_130_var = _loop0_130_rule(p))
             &&
-            (_tmp_135_var = _tmp_135_rule(p))
+            (_tmp_131_var = _tmp_131_rule(p))
             &&
             (param_no_default_var = param_no_default_rule(p))
         )
@@ -11570,12 +11627,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // (star_targets '=')
-        void *_tmp_136_var;
+        void *_tmp_132_var;
         while (
-            (_tmp_136_var = _tmp_136_rule(p))
+            (_tmp_132_var = _tmp_132_rule(p))
         )
         {
-            res = _tmp_136_var;
+            res = _tmp_132_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -11897,12 +11954,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('.' | '...')
-        void *_tmp_137_var;
+        void *_tmp_133_var;
         while (
-            (_tmp_137_var = _tmp_137_rule(p))
+            (_tmp_133_var = _tmp_133_rule(p))
         )
         {
-            res = _tmp_137_var;
+            res = _tmp_133_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -11946,12 +12003,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('.' | '...')
-        void *_tmp_138_var;
+        void *_tmp_134_var;
         while (
-            (_tmp_138_var = _tmp_138_rule(p))
+            (_tmp_134_var = _tmp_134_rule(p))
         )
         {
-            res = _tmp_138_var;
+            res = _tmp_134_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -13528,12 +13585,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('@' named_expression NEWLINE)
-        void *_tmp_139_var;
+        void *_tmp_135_var;
         while (
-            (_tmp_139_var = _tmp_139_rule(p))
+            (_tmp_135_var = _tmp_135_rule(p))
         )
         {
-            res = _tmp_139_var;
+            res = _tmp_135_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -13701,12 +13758,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // (',' star_expression)
-        void *_tmp_140_var;
+        void *_tmp_136_var;
         while (
-            (_tmp_140_var = _tmp_140_rule(p))
+            (_tmp_136_var = _tmp_136_rule(p))
         )
         {
-            res = _tmp_140_var;
+            res = _tmp_136_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -13839,12 +13896,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // (',' expression)
-        void *_tmp_141_var;
+        void *_tmp_137_var;
         while (
-            (_tmp_141_var = _tmp_141_rule(p))
+            (_tmp_137_var = _tmp_137_rule(p))
         )
         {
-            res = _tmp_141_var;
+            res = _tmp_137_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -13874,297 +13931,9 @@
     return seq;
 }
 
-// _tmp_75: ',' lambda_plain_names
-static void *
-_tmp_75_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_plain_names
-        Token * literal;
-        asdl_seq* x;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (x = lambda_plain_names_rule(p))
-        )
-        {
-            res = x;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_76: ',' lambda_names_with_default
-static void *
-_tmp_76_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_names_with_default
-        Token * literal;
-        asdl_seq* y;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (y = lambda_names_with_default_rule(p))
-        )
-        {
-            res = y;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_77: ',' lambda_star_etc?
-static void *
-_tmp_77_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_star_etc?
-        Token * literal;
-        void *z;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (z = lambda_star_etc_rule(p), 1)
-        )
-        {
-            res = z;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_78: ',' lambda_names_with_default
-static void *
-_tmp_78_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_names_with_default
-        Token * literal;
-        asdl_seq* y;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (y = lambda_names_with_default_rule(p))
-        )
-        {
-            res = y;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_79: ',' lambda_star_etc?
-static void *
-_tmp_79_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_star_etc?
-        Token * literal;
-        void *z;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (z = lambda_star_etc_rule(p), 1)
-        )
-        {
-            res = z;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_80: ',' lambda_names_with_default
-static void *
-_tmp_80_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_names_with_default
-        Token * literal;
-        asdl_seq* y;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (y = lambda_names_with_default_rule(p))
-        )
-        {
-            res = y;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_81: ',' lambda_star_etc?
-static void *
-_tmp_81_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_star_etc?
-        Token * literal;
-        void *z;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (z = lambda_star_etc_rule(p), 1)
-        )
-        {
-            res = z;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_82: ',' lambda_star_etc?
-static void *
-_tmp_82_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_star_etc?
-        Token * literal;
-        void *z;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (z = lambda_star_etc_rule(p), 1)
-        )
-        {
-            res = z;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_83: lambda_plain_names ','
-static void *
-_tmp_83_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // lambda_plain_names ','
-        Token * literal;
-        asdl_seq* n;
-        if (
-            (n = lambda_plain_names_rule(p))
-            &&
-            (literal = _PyPegen_expect_token(p, 12))
-        )
-        {
-            res = n;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop0_84: lambda_name_with_optional_default
+// _loop0_75: lambda_param_no_default
 static asdl_seq *
-_loop0_84_rule(Parser *p)
+_loop0_75_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14179,13 +13948,13 @@
     }
     ssize_t children_capacity = 1;
     ssize_t n = 0;
-    { // lambda_name_with_optional_default
-        NameDefaultPair* lambda_name_with_optional_default_var;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
         while (
-            (lambda_name_with_optional_default_var = lambda_name_with_optional_default_rule(p))
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
         )
         {
-            res = lambda_name_with_optional_default_var;
+            res = lambda_param_no_default_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14201,49 +13970,527 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_84");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_75");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_84_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_75_type, seq);
     return seq;
 }
 
-// _tmp_85: ',' lambda_kwds
-static void *
-_tmp_85_rule(Parser *p)
+// _loop0_76: lambda_param_with_default
+static asdl_seq *
+_loop0_76_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
-    void * res = NULL;
+    void *res = NULL;
     int mark = p->mark;
-    { // ',' lambda_kwds
-        arg_ty d;
-        Token * literal;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (d = lambda_kwds_rule(p))
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
+        while (
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
         )
         {
-            res = d;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
+            res = lambda_param_with_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
             }
-            goto done;
+            children[n++] = res;
+            mark = p->mark;
         }
         p->mark = mark;
     }
-    res = NULL;
-  done:
-    return res;
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_76");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_76_type, seq);
+    return seq;
 }
 
-// _loop1_86: lambda_name_with_optional_default
+// _loop0_77: lambda_param_with_default
+static asdl_seq *
+_loop0_77_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
+        while (
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
+        )
+        {
+            res = lambda_param_with_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_77");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_77_type, seq);
+    return seq;
+}
+
+// _loop1_78: lambda_param_no_default
+static asdl_seq *
+_loop1_78_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
+        while (
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
+        )
+        {
+            res = lambda_param_no_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_78");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop1_78_type, seq);
+    return seq;
+}
+
+// _loop0_79: lambda_param_with_default
+static asdl_seq *
+_loop0_79_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
+        while (
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
+        )
+        {
+            res = lambda_param_with_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_79");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_79_type, seq);
+    return seq;
+}
+
+// _loop1_80: lambda_param_with_default
+static asdl_seq *
+_loop1_80_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
+        while (
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
+        )
+        {
+            res = lambda_param_with_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_80");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop1_80_type, seq);
+    return seq;
+}
+
+// _loop1_81: lambda_param_no_default
+static asdl_seq *
+_loop1_81_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
+        while (
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
+        )
+        {
+            res = lambda_param_no_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_81");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop1_81_type, seq);
+    return seq;
+}
+
+// _loop1_82: lambda_param_no_default
+static asdl_seq *
+_loop1_82_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
+        while (
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
+        )
+        {
+            res = lambda_param_no_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_82");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop1_82_type, seq);
+    return seq;
+}
+
+// _loop0_83: lambda_param_no_default
+static asdl_seq *
+_loop0_83_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
+        while (
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
+        )
+        {
+            res = lambda_param_no_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_83");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_83_type, seq);
+    return seq;
+}
+
+// _loop1_84: lambda_param_with_default
+static asdl_seq *
+_loop1_84_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
+        while (
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
+        )
+        {
+            res = lambda_param_with_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_84");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop1_84_type, seq);
+    return seq;
+}
+
+// _loop0_85: lambda_param_no_default
+static asdl_seq *
+_loop0_85_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // lambda_param_no_default
+        arg_ty lambda_param_no_default_var;
+        while (
+            (lambda_param_no_default_var = lambda_param_no_default_rule(p))
+        )
+        {
+            res = lambda_param_no_default_var;
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_85");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_85_type, seq);
+    return seq;
+}
+
+// _loop1_86: lambda_param_with_default
 static asdl_seq *
 _loop1_86_rule(Parser *p)
 {
@@ -14260,13 +14507,13 @@
     }
     ssize_t children_capacity = 1;
     ssize_t n = 0;
-    { // lambda_name_with_optional_default
-        NameDefaultPair* lambda_name_with_optional_default_var;
+    { // lambda_param_with_default
+        NameDefaultPair* lambda_param_with_default_var;
         while (
-            (lambda_name_with_optional_default_var = lambda_name_with_optional_default_rule(p))
+            (lambda_param_with_default_var = lambda_param_with_default_rule(p))
         )
         {
-            res = lambda_name_with_optional_default_var;
+            res = lambda_param_with_default_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14296,73 +14543,9 @@
     return seq;
 }
 
-// _tmp_87: ',' lambda_kwds
-static void *
-_tmp_87_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // ',' lambda_kwds
-        arg_ty d;
-        Token * literal;
-        if (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (d = lambda_kwds_rule(p))
-        )
-        {
-            res = d;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_88: '=' expression
-static void *
-_tmp_88_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // '=' expression
-        expr_ty e;
-        Token * literal;
-        if (
-            (literal = _PyPegen_expect_token(p, 22))
-            &&
-            (e = expression_rule(p))
-        )
-        {
-            res = e;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                return NULL;
-            }
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop0_90: ',' lambda_name_with_default
+// _loop0_87: lambda_param_maybe_default
 static asdl_seq *
-_loop0_90_rule(Parser *p)
+_loop0_87_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14377,21 +14560,13 @@
     }
     ssize_t children_capacity = 1;
     ssize_t n = 0;
-    { // ',' lambda_name_with_default
-        NameDefaultPair* elem;
-        Token * literal;
+    { // lambda_param_maybe_default
+        NameDefaultPair* lambda_param_maybe_default_var;
         while (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (elem = lambda_name_with_default_rule(p))
+            (lambda_param_maybe_default_var = lambda_param_maybe_default_rule(p))
         )
         {
-            res = elem;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                PyMem_Free(children);
-                return NULL;
-            }
+            res = lambda_param_maybe_default_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14407,47 +14582,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_90");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_87");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_90_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_87_type, seq);
     return seq;
 }
 
-// _gather_89: lambda_name_with_default _loop0_90
+// _loop1_88: lambda_param_maybe_default
 static asdl_seq *
-_gather_89_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq * res = NULL;
-    int mark = p->mark;
-    { // lambda_name_with_default _loop0_90
-        NameDefaultPair* elem;
-        asdl_seq * seq;
-        if (
-            (elem = lambda_name_with_default_rule(p))
-            &&
-            (seq = _loop0_90_rule(p))
-        )
-        {
-            res = _PyPegen_seq_insert_in_front(p, elem, seq);
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop0_92: ',' (lambda_plain_name !'=')
-static asdl_seq *
-_loop0_92_rule(Parser *p)
+_loop1_88_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14462,21 +14609,13 @@
     }
     ssize_t children_capacity = 1;
     ssize_t n = 0;
-    { // ',' (lambda_plain_name !'=')
-        void *elem;
-        Token * literal;
+    { // lambda_param_maybe_default
+        NameDefaultPair* lambda_param_maybe_default_var;
         while (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (elem = _tmp_142_rule(p))
+            (lambda_param_maybe_default_var = lambda_param_maybe_default_rule(p))
         )
         {
-            res = elem;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                PyMem_Free(children);
-                return NULL;
-            }
+            res = lambda_param_maybe_default_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14490,49 +14629,25 @@
         }
         p->mark = mark;
     }
+    if (n == 0) {
+        PyMem_Free(children);
+        return NULL;
+    }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_92");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_88");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_92_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_88_type, seq);
     return seq;
 }
 
-// _gather_91: (lambda_plain_name !'=') _loop0_92
+// _loop1_89: ('or' conjunction)
 static asdl_seq *
-_gather_91_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq * res = NULL;
-    int mark = p->mark;
-    { // (lambda_plain_name !'=') _loop0_92
-        void *elem;
-        asdl_seq * seq;
-        if (
-            (elem = _tmp_142_rule(p))
-            &&
-            (seq = _loop0_92_rule(p))
-        )
-        {
-            res = _PyPegen_seq_insert_in_front(p, elem, seq);
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop1_93: ('or' conjunction)
-static asdl_seq *
-_loop1_93_rule(Parser *p)
+_loop1_89_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14548,12 +14663,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('or' conjunction)
-        void *_tmp_143_var;
+        void *_tmp_138_var;
         while (
-            (_tmp_143_var = _tmp_143_rule(p))
+            (_tmp_138_var = _tmp_138_rule(p))
         )
         {
-            res = _tmp_143_var;
+            res = _tmp_138_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14573,19 +14688,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_93");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_89");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_93_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_89_type, seq);
     return seq;
 }
 
-// _loop1_94: ('and' inversion)
+// _loop1_90: ('and' inversion)
 static asdl_seq *
-_loop1_94_rule(Parser *p)
+_loop1_90_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14601,12 +14716,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('and' inversion)
-        void *_tmp_144_var;
+        void *_tmp_139_var;
         while (
-            (_tmp_144_var = _tmp_144_rule(p))
+            (_tmp_139_var = _tmp_139_rule(p))
         )
         {
-            res = _tmp_144_var;
+            res = _tmp_139_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -14626,19 +14741,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_94");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_90");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_94_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_90_type, seq);
     return seq;
 }
 
-// _loop1_95: compare_op_bitwise_or_pair
+// _loop1_91: compare_op_bitwise_or_pair
 static asdl_seq *
-_loop1_95_rule(Parser *p)
+_loop1_91_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14679,19 +14794,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_95");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_91");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_95_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_91_type, seq);
     return seq;
 }
 
-// _tmp_96: '!='
+// _tmp_92: '!='
 static void *
-_tmp_96_rule(Parser *p)
+_tmp_92_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14718,9 +14833,9 @@
     return res;
 }
 
-// _loop0_98: ',' slice
+// _loop0_94: ',' slice
 static asdl_seq *
-_loop0_98_rule(Parser *p)
+_loop0_94_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14765,32 +14880,32 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_98");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_94");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_98_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_94_type, seq);
     return seq;
 }
 
-// _gather_97: slice _loop0_98
+// _gather_93: slice _loop0_94
 static asdl_seq *
-_gather_97_rule(Parser *p)
+_gather_93_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq * res = NULL;
     int mark = p->mark;
-    { // slice _loop0_98
+    { // slice _loop0_94
         expr_ty elem;
         asdl_seq * seq;
         if (
             (elem = slice_rule(p))
             &&
-            (seq = _loop0_98_rule(p))
+            (seq = _loop0_94_rule(p))
         )
         {
             res = _PyPegen_seq_insert_in_front(p, elem, seq);
@@ -14803,9 +14918,9 @@
     return res;
 }
 
-// _tmp_99: ':' expression?
+// _tmp_95: ':' expression?
 static void *
-_tmp_99_rule(Parser *p)
+_tmp_95_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14835,9 +14950,9 @@
     return res;
 }
 
-// _tmp_100: tuple | group | genexp
+// _tmp_96: tuple | group | genexp
 static void *
-_tmp_100_rule(Parser *p)
+_tmp_96_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14882,9 +14997,9 @@
     return res;
 }
 
-// _tmp_101: list | listcomp
+// _tmp_97: list | listcomp
 static void *
-_tmp_101_rule(Parser *p)
+_tmp_97_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14918,9 +15033,9 @@
     return res;
 }
 
-// _tmp_102: dict | set | dictcomp | setcomp
+// _tmp_98: dict | set | dictcomp | setcomp
 static void *
-_tmp_102_rule(Parser *p)
+_tmp_98_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -14976,9 +15091,9 @@
     return res;
 }
 
-// _loop1_103: STRING
+// _loop1_99: STRING
 static asdl_seq *
-_loop1_103_rule(Parser *p)
+_loop1_99_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15019,19 +15134,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_103");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_99");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_103_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_99_type, seq);
     return seq;
 }
 
-// _tmp_104: star_named_expression ',' star_named_expressions?
+// _tmp_100: star_named_expression ',' star_named_expressions?
 static void *
-_tmp_104_rule(Parser *p)
+_tmp_100_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15064,9 +15179,9 @@
     return res;
 }
 
-// _tmp_105: yield_expr | named_expression
+// _tmp_101: yield_expr | named_expression
 static void *
-_tmp_105_rule(Parser *p)
+_tmp_101_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15100,9 +15215,9 @@
     return res;
 }
 
-// _loop0_107: ',' kvpair
+// _loop0_103: ',' kvpair
 static asdl_seq *
-_loop0_107_rule(Parser *p)
+_loop0_103_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15147,32 +15262,32 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_107");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_103");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_107_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_103_type, seq);
     return seq;
 }
 
-// _gather_106: kvpair _loop0_107
+// _gather_102: kvpair _loop0_103
 static asdl_seq *
-_gather_106_rule(Parser *p)
+_gather_102_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq * res = NULL;
     int mark = p->mark;
-    { // kvpair _loop0_107
+    { // kvpair _loop0_103
         KeyValuePair* elem;
         asdl_seq * seq;
         if (
             (elem = kvpair_rule(p))
             &&
-            (seq = _loop0_107_rule(p))
+            (seq = _loop0_103_rule(p))
         )
         {
             res = _PyPegen_seq_insert_in_front(p, elem, seq);
@@ -15185,9 +15300,9 @@
     return res;
 }
 
-// _loop1_108: for_if_clause
+// _loop1_104: for_if_clause
 static asdl_seq *
-_loop1_108_rule(Parser *p)
+_loop1_104_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15228,19 +15343,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_108");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_104");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_108_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_104_type, seq);
     return seq;
 }
 
-// _loop0_109: ('if' disjunction)
+// _loop0_105: ('if' disjunction)
 static asdl_seq *
-_loop0_109_rule(Parser *p)
+_loop0_105_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15256,12 +15371,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('if' disjunction)
-        void *_tmp_145_var;
+        void *_tmp_140_var;
         while (
-            (_tmp_145_var = _tmp_145_rule(p))
+            (_tmp_140_var = _tmp_140_rule(p))
         )
         {
-            res = _tmp_145_var;
+            res = _tmp_140_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -15277,19 +15392,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_109");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_105");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_109_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_105_type, seq);
     return seq;
 }
 
-// _loop0_110: ('if' disjunction)
+// _loop0_106: ('if' disjunction)
 static asdl_seq *
-_loop0_110_rule(Parser *p)
+_loop0_106_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15305,12 +15420,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // ('if' disjunction)
-        void *_tmp_146_var;
+        void *_tmp_141_var;
         while (
-            (_tmp_146_var = _tmp_146_rule(p))
+            (_tmp_141_var = _tmp_141_rule(p))
         )
         {
-            res = _tmp_146_var;
+            res = _tmp_141_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -15326,19 +15441,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_110");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_106");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_110_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_106_type, seq);
     return seq;
 }
 
-// _tmp_111: ',' args
+// _tmp_107: ',' args
 static void *
-_tmp_111_rule(Parser *p)
+_tmp_107_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15368,9 +15483,9 @@
     return res;
 }
 
-// _tmp_112: ',' args
+// _tmp_108: ',' args
 static void *
-_tmp_112_rule(Parser *p)
+_tmp_108_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15400,6 +15515,176 @@
     return res;
 }
 
+// _loop0_110: ',' kwarg_or_starred
+static asdl_seq *
+_loop0_110_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // ',' kwarg_or_starred
+        KeywordOrStarred* elem;
+        Token * literal;
+        while (
+            (literal = _PyPegen_expect_token(p, 12))
+            &&
+            (elem = kwarg_or_starred_rule(p))
+        )
+        {
+            res = elem;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                PyMem_Free(children);
+                return NULL;
+            }
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_110");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_110_type, seq);
+    return seq;
+}
+
+// _gather_109: kwarg_or_starred _loop0_110
+static asdl_seq *
+_gather_109_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    asdl_seq * res = NULL;
+    int mark = p->mark;
+    { // kwarg_or_starred _loop0_110
+        KeywordOrStarred* elem;
+        asdl_seq * seq;
+        if (
+            (elem = kwarg_or_starred_rule(p))
+            &&
+            (seq = _loop0_110_rule(p))
+        )
+        {
+            res = _PyPegen_seq_insert_in_front(p, elem, seq);
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
+// _loop0_112: ',' kwarg_or_double_starred
+static asdl_seq *
+_loop0_112_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    void *res = NULL;
+    int mark = p->mark;
+    int start_mark = p->mark;
+    void **children = PyMem_Malloc(sizeof(void *));
+    if (!children) {
+        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
+        return NULL;
+    }
+    ssize_t children_capacity = 1;
+    ssize_t n = 0;
+    { // ',' kwarg_or_double_starred
+        KeywordOrStarred* elem;
+        Token * literal;
+        while (
+            (literal = _PyPegen_expect_token(p, 12))
+            &&
+            (elem = kwarg_or_double_starred_rule(p))
+        )
+        {
+            res = elem;
+            if (res == NULL && PyErr_Occurred()) {
+                p->error_indicator = 1;
+                PyMem_Free(children);
+                return NULL;
+            }
+            if (n == children_capacity) {
+                children_capacity *= 2;
+                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
+                if (!children) {
+                    PyErr_Format(PyExc_MemoryError, "realloc None");
+                    return NULL;
+                }
+            }
+            children[n++] = res;
+            mark = p->mark;
+        }
+        p->mark = mark;
+    }
+    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
+    if (!seq) {
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_112");
+        PyMem_Free(children);
+        return NULL;
+    }
+    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
+    PyMem_Free(children);
+    _PyPegen_insert_memo(p, start_mark, _loop0_112_type, seq);
+    return seq;
+}
+
+// _gather_111: kwarg_or_double_starred _loop0_112
+static asdl_seq *
+_gather_111_rule(Parser *p)
+{
+    if (p->error_indicator) {
+        return NULL;
+    }
+    asdl_seq * res = NULL;
+    int mark = p->mark;
+    { // kwarg_or_double_starred _loop0_112
+        KeywordOrStarred* elem;
+        asdl_seq * seq;
+        if (
+            (elem = kwarg_or_double_starred_rule(p))
+            &&
+            (seq = _loop0_112_rule(p))
+        )
+        {
+            res = _PyPegen_seq_insert_in_front(p, elem, seq);
+            goto done;
+        }
+        p->mark = mark;
+    }
+    res = NULL;
+  done:
+    return res;
+}
+
 // _loop0_114: ',' kwarg_or_starred
 static asdl_seq *
 _loop0_114_rule(Parser *p)
@@ -15570,179 +15855,9 @@
     return res;
 }
 
-// _loop0_118: ',' kwarg_or_starred
+// _loop0_117: (',' star_target)
 static asdl_seq *
-_loop0_118_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void *res = NULL;
-    int mark = p->mark;
-    int start_mark = p->mark;
-    void **children = PyMem_Malloc(sizeof(void *));
-    if (!children) {
-        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
-        return NULL;
-    }
-    ssize_t children_capacity = 1;
-    ssize_t n = 0;
-    { // ',' kwarg_or_starred
-        KeywordOrStarred* elem;
-        Token * literal;
-        while (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (elem = kwarg_or_starred_rule(p))
-        )
-        {
-            res = elem;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                PyMem_Free(children);
-                return NULL;
-            }
-            if (n == children_capacity) {
-                children_capacity *= 2;
-                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
-                if (!children) {
-                    PyErr_Format(PyExc_MemoryError, "realloc None");
-                    return NULL;
-                }
-            }
-            children[n++] = res;
-            mark = p->mark;
-        }
-        p->mark = mark;
-    }
-    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
-    if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_118");
-        PyMem_Free(children);
-        return NULL;
-    }
-    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
-    PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_118_type, seq);
-    return seq;
-}
-
-// _gather_117: kwarg_or_starred _loop0_118
-static asdl_seq *
-_gather_117_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq * res = NULL;
-    int mark = p->mark;
-    { // kwarg_or_starred _loop0_118
-        KeywordOrStarred* elem;
-        asdl_seq * seq;
-        if (
-            (elem = kwarg_or_starred_rule(p))
-            &&
-            (seq = _loop0_118_rule(p))
-        )
-        {
-            res = _PyPegen_seq_insert_in_front(p, elem, seq);
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop0_120: ',' kwarg_or_double_starred
-static asdl_seq *
-_loop0_120_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void *res = NULL;
-    int mark = p->mark;
-    int start_mark = p->mark;
-    void **children = PyMem_Malloc(sizeof(void *));
-    if (!children) {
-        PyErr_Format(PyExc_MemoryError, "Parser out of memory");
-        return NULL;
-    }
-    ssize_t children_capacity = 1;
-    ssize_t n = 0;
-    { // ',' kwarg_or_double_starred
-        KeywordOrStarred* elem;
-        Token * literal;
-        while (
-            (literal = _PyPegen_expect_token(p, 12))
-            &&
-            (elem = kwarg_or_double_starred_rule(p))
-        )
-        {
-            res = elem;
-            if (res == NULL && PyErr_Occurred()) {
-                p->error_indicator = 1;
-                PyMem_Free(children);
-                return NULL;
-            }
-            if (n == children_capacity) {
-                children_capacity *= 2;
-                children = PyMem_Realloc(children, children_capacity*sizeof(void *));
-                if (!children) {
-                    PyErr_Format(PyExc_MemoryError, "realloc None");
-                    return NULL;
-                }
-            }
-            children[n++] = res;
-            mark = p->mark;
-        }
-        p->mark = mark;
-    }
-    asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
-    if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_120");
-        PyMem_Free(children);
-        return NULL;
-    }
-    for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
-    PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_120_type, seq);
-    return seq;
-}
-
-// _gather_119: kwarg_or_double_starred _loop0_120
-static asdl_seq *
-_gather_119_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    asdl_seq * res = NULL;
-    int mark = p->mark;
-    { // kwarg_or_double_starred _loop0_120
-        KeywordOrStarred* elem;
-        asdl_seq * seq;
-        if (
-            (elem = kwarg_or_double_starred_rule(p))
-            &&
-            (seq = _loop0_120_rule(p))
-        )
-        {
-            res = _PyPegen_seq_insert_in_front(p, elem, seq);
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _loop0_121: (',' star_target)
-static asdl_seq *
-_loop0_121_rule(Parser *p)
+_loop0_117_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15758,12 +15873,12 @@
     ssize_t children_capacity = 1;
     ssize_t n = 0;
     { // (',' star_target)
-        void *_tmp_147_var;
+        void *_tmp_142_var;
         while (
-            (_tmp_147_var = _tmp_147_rule(p))
+            (_tmp_142_var = _tmp_142_rule(p))
         )
         {
-            res = _tmp_147_var;
+            res = _tmp_142_var;
             if (n == children_capacity) {
                 children_capacity *= 2;
                 children = PyMem_Realloc(children, children_capacity*sizeof(void *));
@@ -15779,19 +15894,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_121");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_117");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_121_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_117_type, seq);
     return seq;
 }
 
-// _loop0_123: ',' star_target
+// _loop0_119: ',' star_target
 static asdl_seq *
-_loop0_123_rule(Parser *p)
+_loop0_119_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15836,32 +15951,32 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_123");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_119");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_123_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_119_type, seq);
     return seq;
 }
 
-// _gather_122: star_target _loop0_123
+// _gather_118: star_target _loop0_119
 static asdl_seq *
-_gather_122_rule(Parser *p)
+_gather_118_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq * res = NULL;
     int mark = p->mark;
-    { // star_target _loop0_123
+    { // star_target _loop0_119
         expr_ty elem;
         asdl_seq * seq;
         if (
             (elem = star_target_rule(p))
             &&
-            (seq = _loop0_123_rule(p))
+            (seq = _loop0_119_rule(p))
         )
         {
             res = _PyPegen_seq_insert_in_front(p, elem, seq);
@@ -15874,9 +15989,9 @@
     return res;
 }
 
-// _tmp_124: !'*' star_target
+// _tmp_120: !'*' star_target
 static void *
-_tmp_124_rule(Parser *p)
+_tmp_120_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15901,9 +16016,9 @@
     return res;
 }
 
-// _loop0_126: ',' del_target
+// _loop0_122: ',' del_target
 static asdl_seq *
-_loop0_126_rule(Parser *p)
+_loop0_122_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -15948,32 +16063,32 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_126");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_122");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_126_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_122_type, seq);
     return seq;
 }
 
-// _gather_125: del_target _loop0_126
+// _gather_121: del_target _loop0_122
 static asdl_seq *
-_gather_125_rule(Parser *p)
+_gather_121_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq * res = NULL;
     int mark = p->mark;
-    { // del_target _loop0_126
+    { // del_target _loop0_122
         expr_ty elem;
         asdl_seq * seq;
         if (
             (elem = del_target_rule(p))
             &&
-            (seq = _loop0_126_rule(p))
+            (seq = _loop0_122_rule(p))
         )
         {
             res = _PyPegen_seq_insert_in_front(p, elem, seq);
@@ -15986,9 +16101,9 @@
     return res;
 }
 
-// _loop0_128: ',' target
+// _loop0_124: ',' target
 static asdl_seq *
-_loop0_128_rule(Parser *p)
+_loop0_124_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16033,32 +16148,32 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_128");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_124");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_128_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_124_type, seq);
     return seq;
 }
 
-// _gather_127: target _loop0_128
+// _gather_123: target _loop0_124
 static asdl_seq *
-_gather_127_rule(Parser *p)
+_gather_123_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
     }
     asdl_seq * res = NULL;
     int mark = p->mark;
-    { // target _loop0_128
+    { // target _loop0_124
         expr_ty elem;
         asdl_seq * seq;
         if (
             (elem = target_rule(p))
             &&
-            (seq = _loop0_128_rule(p))
+            (seq = _loop0_124_rule(p))
         )
         {
             res = _PyPegen_seq_insert_in_front(p, elem, seq);
@@ -16071,9 +16186,9 @@
     return res;
 }
 
-// _tmp_129: args | expression for_if_clauses
+// _tmp_125: args | expression for_if_clauses
 static void *
-_tmp_129_rule(Parser *p)
+_tmp_125_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16110,9 +16225,9 @@
     return res;
 }
 
-// _tmp_130: '=' annotated_rhs
+// _tmp_126: '=' annotated_rhs
 static void *
-_tmp_130_rule(Parser *p)
+_tmp_126_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16138,9 +16253,9 @@
     return res;
 }
 
-// _tmp_131: '=' | augassign
+// _tmp_127: '=' | augassign
 static void *
-_tmp_131_rule(Parser *p)
+_tmp_127_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16174,9 +16289,9 @@
     return res;
 }
 
-// _tmp_132: yield_expr | star_expressions
+// _tmp_128: yield_expr | star_expressions
 static void *
-_tmp_132_rule(Parser *p)
+_tmp_128_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16210,9 +16325,9 @@
     return res;
 }
 
-// _tmp_133: '[' | '(' | '{'
+// _tmp_129: '[' | '(' | '{'
 static void *
-_tmp_133_rule(Parser *p)
+_tmp_129_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16257,9 +16372,9 @@
     return res;
 }
 
-// _loop0_134: param_no_default
+// _loop0_130: param_no_default
 static asdl_seq *
-_loop0_134_rule(Parser *p)
+_loop0_130_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16296,19 +16411,19 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_134");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop0_130");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop0_134_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop0_130_type, seq);
     return seq;
 }
 
-// _tmp_135: slash_with_default | param_with_default+
+// _tmp_131: slash_with_default | param_with_default+
 static void *
-_tmp_135_rule(Parser *p)
+_tmp_131_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16327,12 +16442,12 @@
         p->mark = mark;
     }
     { // param_with_default+
-        asdl_seq * _loop1_148_var;
+        asdl_seq * _loop1_143_var;
         if (
-            (_loop1_148_var = _loop1_148_rule(p))
+            (_loop1_143_var = _loop1_143_rule(p))
         )
         {
-            res = _loop1_148_var;
+            res = _loop1_143_var;
             goto done;
         }
         p->mark = mark;
@@ -16342,9 +16457,9 @@
     return res;
 }
 
-// _tmp_136: star_targets '='
+// _tmp_132: star_targets '='
 static void *
-_tmp_136_rule(Parser *p)
+_tmp_132_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16374,9 +16489,9 @@
     return res;
 }
 
-// _tmp_137: '.' | '...'
+// _tmp_133: '.' | '...'
 static void *
-_tmp_137_rule(Parser *p)
+_tmp_133_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16410,9 +16525,9 @@
     return res;
 }
 
-// _tmp_138: '.' | '...'
+// _tmp_134: '.' | '...'
 static void *
-_tmp_138_rule(Parser *p)
+_tmp_134_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16446,9 +16561,9 @@
     return res;
 }
 
-// _tmp_139: '@' named_expression NEWLINE
+// _tmp_135: '@' named_expression NEWLINE
 static void *
-_tmp_139_rule(Parser *p)
+_tmp_135_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16481,9 +16596,9 @@
     return res;
 }
 
-// _tmp_140: ',' star_expression
+// _tmp_136: ',' star_expression
 static void *
-_tmp_140_rule(Parser *p)
+_tmp_136_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16513,9 +16628,9 @@
     return res;
 }
 
-// _tmp_141: ',' expression
+// _tmp_137: ',' expression
 static void *
-_tmp_141_rule(Parser *p)
+_tmp_137_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16545,36 +16660,9 @@
     return res;
 }
 
-// _tmp_142: lambda_plain_name !'='
+// _tmp_138: 'or' conjunction
 static void *
-_tmp_142_rule(Parser *p)
-{
-    if (p->error_indicator) {
-        return NULL;
-    }
-    void * res = NULL;
-    int mark = p->mark;
-    { // lambda_plain_name !'='
-        arg_ty lambda_plain_name_var;
-        if (
-            (lambda_plain_name_var = lambda_plain_name_rule(p))
-            &&
-            _PyPegen_lookahead_with_int(0, _PyPegen_expect_token, p, 22)
-        )
-        {
-            res = lambda_plain_name_var;
-            goto done;
-        }
-        p->mark = mark;
-    }
-    res = NULL;
-  done:
-    return res;
-}
-
-// _tmp_143: 'or' conjunction
-static void *
-_tmp_143_rule(Parser *p)
+_tmp_138_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16604,9 +16692,9 @@
     return res;
 }
 
-// _tmp_144: 'and' inversion
+// _tmp_139: 'and' inversion
 static void *
-_tmp_144_rule(Parser *p)
+_tmp_139_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16636,9 +16724,9 @@
     return res;
 }
 
-// _tmp_145: 'if' disjunction
+// _tmp_140: 'if' disjunction
 static void *
-_tmp_145_rule(Parser *p)
+_tmp_140_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16668,9 +16756,9 @@
     return res;
 }
 
-// _tmp_146: 'if' disjunction
+// _tmp_141: 'if' disjunction
 static void *
-_tmp_146_rule(Parser *p)
+_tmp_141_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16700,9 +16788,9 @@
     return res;
 }
 
-// _tmp_147: ',' star_target
+// _tmp_142: ',' star_target
 static void *
-_tmp_147_rule(Parser *p)
+_tmp_142_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16732,9 +16820,9 @@
     return res;
 }
 
-// _loop1_148: param_with_default
+// _loop1_143: param_with_default
 static asdl_seq *
-_loop1_148_rule(Parser *p)
+_loop1_143_rule(Parser *p)
 {
     if (p->error_indicator) {
         return NULL;
@@ -16775,13 +16863,13 @@
     }
     asdl_seq *seq = _Py_asdl_seq_new(n, p->arena);
     if (!seq) {
-        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_148");
+        PyErr_Format(PyExc_MemoryError, "asdl_seq_new _loop1_143");
         PyMem_Free(children);
         return NULL;
     }
     for (int i = 0; i < n; i++) asdl_seq_SET(seq, i, children[i]);
     PyMem_Free(children);
-    _PyPegen_insert_memo(p, start_mark, _loop1_148_type, seq);
+    _PyPegen_insert_memo(p, start_mark, _loop1_143_type, seq);
     return seq;
 }