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Remove uninformative itertools recipe (GH-100253)

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Raymond Hettinger 2022-12-15 20:39:01 +02:00 • committed by GitHub
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7
Doc/library/itertools.rst
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@ -829,10 +829,6 @@ which incur interpreter overhead.
"Count how many times the predicate is true"
return sum(map(pred, iterable))
def pad_none(iterable):
"Returns the sequence elements and then returns None indefinitely."
return chain(iterable, repeat(None))
def ncycles(iterable, n):
"Returns the sequence elements n times"
return chain.from_iterable(repeat(tuple(iterable), n))
@ -1193,9 +1189,6 @@ which incur interpreter overhead.
>>> take(5, map(int, repeatfunc(random.random)))
[0, 0, 0, 0, 0]
>>> list(islice(pad_none('abc'), 0, 6))
['a', 'b', 'c', None, None, None]
>>> list(ncycles('abc', 3))
['a', 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c']