[3.12] Align functools.reduce() docstring with PEP-257 (GH-126045) (#126114)

Yak-shave in preparation for Argument Clinic adaption in gh-125999.

(cherry picked from commit 9b14083497f50213f908c1359eeaf47c97161347)

Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>

Miss Islington (bot) committed 1y ago

a8472fdbcd6098bbf4ae0cabc4b555b92e605181

Parent: 385fa83

Committed by GitHub <noreply@github.com> on 10/29/2024, 9:13:52 AM