[docs] [issue19362] Documentation for len() fails to mention that it works on sets

[Raymond Hettinger]

Raymond Hettinger added the comment:

I'll apply this (if only to bring this vacuous discussion to a close).

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assignee: docs at python -> rhettinger
priority: normal -> low

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19362>
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