use assert[Not]In where appropriate
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 28b7332..90047e5 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -378,56 +378,56 @@
         d[1] += 1
         self.assertEqual(d[1], 2)
         del d[1]
-        self.assertEqual(1 in d, False)
+        self.assertNotIn(1, d)
         # Tuple of indices
         d[1, 1] = 1
         self.assertEqual(d[1, 1], 1)
         d[1, 1] += 1
         self.assertEqual(d[1, 1], 2)
         del d[1, 1]
-        self.assertEqual((1, 1) in d, False)
+        self.assertNotIn((1, 1), d)
         # Simple slice
         d[1:2] = 1
         self.assertEqual(d[1:2], 1)
         d[1:2] += 1
         self.assertEqual(d[1:2], 2)
         del d[1:2]
-        self.assertEqual(slice(1, 2) in d, False)
+        self.assertNotIn(slice(1, 2), d)
         # Tuple of simple slices
         d[1:2, 1:2] = 1
         self.assertEqual(d[1:2, 1:2], 1)
         d[1:2, 1:2] += 1
         self.assertEqual(d[1:2, 1:2], 2)
         del d[1:2, 1:2]
-        self.assertEqual((slice(1, 2), slice(1, 2)) in d, False)
+        self.assertNotIn((slice(1, 2), slice(1, 2)), d)
         # Extended slice
         d[1:2:3] = 1
         self.assertEqual(d[1:2:3], 1)
         d[1:2:3] += 1
         self.assertEqual(d[1:2:3], 2)
         del d[1:2:3]
-        self.assertEqual(slice(1, 2, 3) in d, False)
+        self.assertNotIn(slice(1, 2, 3), d)
         # Tuple of extended slices
         d[1:2:3, 1:2:3] = 1
         self.assertEqual(d[1:2:3, 1:2:3], 1)
         d[1:2:3, 1:2:3] += 1
         self.assertEqual(d[1:2:3, 1:2:3], 2)
         del d[1:2:3, 1:2:3]
-        self.assertEqual((slice(1, 2, 3), slice(1, 2, 3)) in d, False)
+        self.assertNotIn((slice(1, 2, 3), slice(1, 2, 3)), d)
         # Ellipsis
         d[...] = 1
         self.assertEqual(d[...], 1)
         d[...] += 1
         self.assertEqual(d[...], 2)
         del d[...]
-        self.assertEqual(Ellipsis in d, False)
+        self.assertNotIn(Ellipsis, d)
         # Tuple of Ellipses
         d[..., ...] = 1
         self.assertEqual(d[..., ...], 1)
         d[..., ...] += 1
         self.assertEqual(d[..., ...], 2)
         del d[..., ...]
-        self.assertEqual((Ellipsis, Ellipsis) in d, False)
+        self.assertNotIn((Ellipsis, Ellipsis), d)
 
     def test_mangling(self):
         class A:
@@ -437,10 +437,10 @@
                 import __mangled_mod
                 import __package__.module
 
-        self.assertTrue("_A__mangled" in A.f.func_code.co_varnames)
-        self.assertTrue("__not_mangled__" in A.f.func_code.co_varnames)
-        self.assertTrue("_A__mangled_mod" in A.f.func_code.co_varnames)
-        self.assertTrue("__package__" in A.f.func_code.co_varnames)
+        self.assertIn("_A__mangled", A.f.func_code.co_varnames)
+        self.assertIn("__not_mangled__", A.f.func_code.co_varnames)
+        self.assertIn("_A__mangled_mod", A.f.func_code.co_varnames)
+        self.assertIn("__package__", A.f.func_code.co_varnames)
 
     def test_compile_ast(self):
         fname = __file__