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Add a note to the str.find doc to suggest the use of the "in" operator.

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Ezio Melotti 2011-05-09 03:54:30 +03:00
parent 01c9a16031
commit 87b86c84ef
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9
Doc/library/stdtypes.rst
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@ -944,6 +944,15 @@ string functions based on regular expressions.
*start* and *end* are interpreted as in slice notation. Return ``-1`` if
*sub* is not found.
.. note::
The :meth:`~str.find` method should be used only if you need to know the
position of *sub*. To check if *sub* is a substring or not, use the
:keyword:`in` operator::
>>> 'Py' in 'Python'
True
.. method:: str.format(*args, **kwargs)