cpython

Itertools recipes: Replace the tabulate() example with running_mean() (gh-144483)

gh-123471: Make concurrent iteration over `itertools.permutations` and `itertools.combinations_with_replacement` thread-safe (gh-144402)

gh-143962: Improve name suggestions for not normalized names (GH-144154)

gh-106318: Add examples for `str.startswith()` method (#144369)

gh-141004: Document remaining `pyport.h` utility macros (GH-144279)