[issue7764] Doc for itertools recipe consume is complicated and less efficient

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


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nosy: +rhettinger
priority:  -> normal
stage:  -> needs patch
versions: +Python 2.6, Python 2.7, Python 3.1, Python 3.2

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<http://bugs.python.org/issue7764>
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