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Re: 0 equals False, was Re: (unknown)

From INADA Naoki <songofacandy@gmail.com>
Newsgroups comp.lang.python
Subject Re: 0 equals False, was Re: (unknown)
Date 2016-03-23 11:12 +0000
Message-ID <mailman.48.1458731602.2244.python-list@python.org> (permalink)
References <CAFWQgO=o-rPavakLZZBRxAthM5g7xE=Mn4hwcFPxTUvCEXn7SQ@mail.gmail.com> <nctleq$5t6$1@ger.gmane.org>

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Tips: Since True == 1, sum() can count Trues.

>>> def count_even(seq):
...     return sum(i%2 == 0 for i in seq)

>>> count_even(range(100))
50

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Re: 0 equals False, was Re: (unknown) INADA Naoki <songofacandy@gmail.com> - 2016-03-23 11:12 +0000

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