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Code Issues Releases Wiki Activity

Issue 11889: Clarify docs for enumerate.

This commit is contained in:
Raymond Hettinger 2011-06-25 15:00:46 +02:00
parent 36a9de041b 9d3df6d508
commit 04e1012e2d
1 changed files with 6 additions and 7 deletions
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13
Doc/library/functions.rst
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@ -331,14 +331,13 @@ are always available. They are listed here in alphabetical order.
:term:`iterator`, or some other object which supports iteration. The
:meth:`__next__` method of the iterator returned by :func:`enumerate` returns a
tuple containing a count (from *start* which defaults to 0) and the
corresponding value obtained from iterating over *iterable*.
values obtained from iterating over *iterable*.
>>> for i, season in enumerate('Spring Summer Fall Winter'.split(), start=1):
print(i, season)
1 Spring
2 Summer
3 Fall
4 Winter
>>> seasons = ['Spring', 'Summer', 'Fall', 'Winter']
>>> list(enumerate(seasons))
[(0, 'Spring'), (1, 'Summer'), (2, 'Fall'), (3, 'Winter')]
>>> list(enumerate(seasons, start=1))
[(1, 'Spring'), (2, 'Summer'), (3, 'Fall'), (4, 'Winter')]
Equivalent to::