FYI, the official documentation of itertools has its very own pairwise example: ... | Hacker News

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		e12e on June 22, 2014 \| parent \| context \| favorite \| on: Why Every Language Needs Its Underscore FYI, the official documentation of itertools has its very own pairwise example: `def pairwise(iterable): "s -> (s0,s1), (s1,s2), (s2, s3), ..." a, b = tee(iterable) next(b, None) return izip(a, b)` https://docs.python.org/2/library/itertools.html#itertools.i...

baq on June 22, 2014 [–]

for the record: the official itertools docs have a lot more examples than this one and they're all really worth knowing about if not studying.

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