[docs] [issue22725] improve documentation for enumerate() (built-in function)

[R. David Murray]

Changes by R. David Murray <rdmurray at bitdance.com>:


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keywords: +patch
Added file: http://bugs.python.org/file37111/enumerate-doc.2.7.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22725>
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