[docs] [issue31942] Document that support of start and stop parameters in the Sequence's index() is optional

STINNER Victor added the comment: New changeset 5ce0a2a100909104836f53a2c8823006ec46f8ad by Victor Stinner (Nitish Chandra) in branch 'master': bpo-31942: Document optional support of start and stop attributes in Sequence.index method (#4277) https://github.com/python/cpython/commit/5ce0a2a100909104836f53a2c8823006ec4... ---------- _______________________________________ Python tracker https://bugs.python.org/issue31942 _______________________________________