[issue23086] Add start and stop parameters to the Sequence.index() ABC mixin method

[Raymond Hettinger]

Raymond Hettinger added the comment:

Devin, thanks for the patch.

Serhiy, I added a performance note discussing the computational complexity.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23086>
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