Improve f-strings documentation (GH-3604)
Provide additional examples of using format specifiers in f-strings
Added examples for using integer and date format specifiers.
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index 1a7c6f9..baf1f09 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -676,6 +676,12 @@
>>> value = decimal.Decimal("12.34567")
>>> f"result: {value:{width}.{precision}}" # nested fields
'result: 12.35'
+ >>> today = datetime(year=2017, month=1, day=27)
+ >>> f"{today:%b %d, %Y}" # using date format specifier
+ 'January 27, 2017'
+ >>> number = 1024
+ >>> f"{number:#0x}" # using integer presentation type as format specifier
+ '0x400'
A consequence of sharing the same syntax as regular string literals is
that characters in the replacement fields must not conflict with the