mirror of https://github.com/python/cpython
Test doctests in operator docs.
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@ -415,7 +415,7 @@ objects.
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Be careful not to misinterpret the results of these functions; only
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:func:`isCallable` has any measure of reliability with instance objects.
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For example::
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For example:
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>>> class C:
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... pass
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@ -479,13 +479,14 @@ objects.
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useful than it otherwise might be.
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Example: Build a dictionary that maps the ordinals from ``0`` to ``255`` to
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their character equivalents. ::
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their character equivalents.
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>>> import operator
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>>> d = {}
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>>> keys = range(256)
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>>> vals = map(chr, keys)
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>>> map(operator.setitem, [d]*len(keys), keys, vals)
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[None, None, ..., None]
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.. XXX: find a better, readable, example
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@ -533,14 +534,15 @@ expect a function argument.
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The items can be any type accepted by the operand's :meth:`__getitem__`
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method. Dictionaries accept any hashable value. Lists, tuples, and
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strings accept an index or a slice::
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strings accept an index or a slice:
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>>> itemgetter(1)('ABCDEFG')
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'B'
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>>> itemgetter(1,3,5)('ABCDEFG')
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('B', 'D', 'F')
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>>> itemgetter(slice(2,None))('ABCDEFG')
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'CDEFG'
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>>> from operator import itemgetter
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>>> itemgetter(1)('ABCDEFG')
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'B'
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>>> itemgetter(1,3,5)('ABCDEFG')
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('B', 'D', 'F')
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>>> itemgetter(slice(2,None))('ABCDEFG')
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'CDEFG'
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.. versionadded:: 2.4
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@ -548,9 +550,8 @@ expect a function argument.
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Added support for multiple item extraction.
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Example of using :func:`itemgetter` to retrieve specific fields from a
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tuple record::
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tuple record:
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>>> from operator import itemgetter
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>>> inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)]
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>>> getcount = itemgetter(1)
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>>> map(getcount, inventory)
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