8000 Update itertools docs by rhettinger · Pull Request #15114 · python/cpython · GitHub
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Update itertools docs #15114

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Merged
merged 2 commits into from
Aug 4, 2019
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Update itertools docs #15114

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13e4a41
Remove suggestion that is less relevant now that global lookups are m…
rhettinger Aug 4, 2019
1e84df0
Add link for installing the recipes
rhettinger Aug 4, 2019
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Remove suggestion that is less relevant now that global lookups are m… 
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@rhettinger
rhettinger committed Aug 4, 2019
commit 13e4a4172122aaa3abca483cbe24b98e935e81ff
6 changes: 0 additions & 6 deletions Doc/library/itertools.rst
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Expand Up @@ -913,9 +913,3 @@ which incur interpreter overhead.
result.append(pool[-1-n])
return tuple(result)

Note, many of the above recipes can be optimized by replacing global lookups
with local variables defined as default values. For example, the
*dotproduct* recipe can be written as::

def dotproduct(vec1, vec2, sum=sum, map=map, mul=operator.mul):
return sum(map(mul, vec1, vec2))
0