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gh-102105 Fix wording in filterfalse/quantify/filter (GH-102189)

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(cherry picked from commit 81bf10e4f2)

Co-authored-by: Stefan Pochmann <609905+pochmann@users.noreply.github.com>
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Miss Islington (bot) 2023-02-24 08:21:40 -08:00 • committed by GitHub
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4
Doc/library/functions.rst
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@ -622,7 +622,7 @@ are always available. They are listed here in alphabetical order.
.. function:: filter(function, iterable) .. function:: filter(function, iterable)
Construct an iterator from those elements of *iterable* for which *function* Construct an iterator from those elements of *iterable* for which *function*
returns true. *iterable* may be either a sequence, a container which is true. *iterable* may be either a sequence, a container which
supports iteration, or an iterator. If *function* is ``None``, the identity supports iteration, or an iterator. If *function* is ``None``, the identity
function is assumed, that is, all elements of *iterable* that are false are function is assumed, that is, all elements of *iterable* that are false are
removed. removed.
@ -633,7 +633,7 @@ are always available. They are listed here in alphabetical order.
``None``. ``None``.
See :func:`itertools.filterfalse` for the complementary function that returns See :func:`itertools.filterfalse` for the complementary function that returns
elements of *iterable* for which *function* returns false. elements of *iterable* for which *function* is false.
.. class:: float(x=0.0) .. class:: float(x=0.0)

4
Doc/library/itertools.rst
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@ -359,7 +359,7 @@ loops that truncate the stream.
.. function:: filterfalse(predicate, iterable) .. function:: filterfalse(predicate, iterable)
Make an iterator that filters elements from iterable returning only those for Make an iterator that filters elements from iterable returning only those for
which the predicate is ``False``. If *predicate* is ``None``, return the items which the predicate is false. If *predicate* is ``None``, return the items
that are false. Roughly equivalent to:: that are false. Roughly equivalent to::
def filterfalse(predicate, iterable): def filterfalse(predicate, iterable):
@ -792,7 +792,7 @@ which incur interpreter overhead.
return next(g, True) and not next(g, False) return next(g, True) and not next(g, False)
def quantify(iterable, pred=bool): def quantify(iterable, pred=bool):
"Count how many times the predicate is true" "Count how many times the predicate is True"
return sum(map(pred, iterable)) return sum(map(pred, iterable))
def ncycles(iterable, n): def ncycles(iterable, n):