[3.14] gh-145642: Docs: Avoid warning for invalid escape sequence in tutorial (GH-145643)#145647

picnixz merged 1 commit intopython:3.14python/cpython:3.14from

miss-islington:backport-5a15a52-3.14miss-islington/cpython:backport-5a15a52-3.14Copy head branch name to clipboard