ValueError if path and sock are specified at the same time. asyncio: Document
Task.cancel() properly.

path and sock are specified at the same time.

replacement character is bigger than U+10ffff code point.

Issue #21136: Avoid unnecessary normalization in Fractions resulting from power and other operations.

character for the "end" parameter

factorize the code

character for the "end" parameter

__file__.

This causes _frozen_importlib to no longer have __file__ set as well
as any frozen module imported using imp.init_frozen() (which is
deprecated).

reverse iteration using reversed().