[3.12] gh-110383: Document `socket.makefile()` accepts combined modes (GH-119150) (#119325)

The supported mode values are 'r', 'w', and 'b', or a combination of those.
(cherry picked from commit 62a29be5bb01c2d0f72d8f9b1b5539816e65310c)

Co-authored-by: Daniel Williams <dann0a@gmail.com>

Miss Islington (bot) committed 2y ago

a1c20529e2c63a549ce9197ec82f5d8fb597501e

Parent: 4dfba85

Committed by GitHub <noreply@github.com> on 5/21/2024, 6:52:56 PM