[docs] [issue40539] Docs - difflib.SequenceMatcher quick_ratio and real_quick_ratio improved docs

Change by Lewis Ball <lrjball@gmail.com>: ---------- keywords: +patch pull_requests: +19287 stage: -> patch review pull_request: https://github.com/python/cpython/pull/19971 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue40539> _______________________________________