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gh-106318: Add example for str.format() #137018

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3253a52
gh-106320: Remove private _PyInterpreterState functions (#106335)
vstinner Jul 2, 2023
fee3f11
Doc: minor change
adorilson Dec 30, 2023
ed4cc6f
Revert "Doc: minor change"
adorilson Mar 25, 2024
3608c8c
gh-106318: Add example for str.format()
adorilson Jul 22, 2025
06a6532
gh-106318: Add example for str.format() with keyword argument
adorilson Aug 3, 2025
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8 changes: 7 additions & 1 deletion Doc/library/stdtypes.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1927,10 +1927,16 @@ expression support in the :mod:`re` module).
``{}``. Each replacement field contains either the numeric index of a
positional argument, or the name of a keyword argument. Returns a copy of
the string where each replacement field is replaced with the string value of
the corresponding argument.
the corresponding argument. For example:

.. doctest::

>>> "The sum of 1 + 2 is {0}".format(1+2)
'The sum of 1 + 2 is 3'
>>> "The sum of {a} + {b} is {answer}".format(answer=1+2, a=1, b=2)
'The sum of 1 + 2 is 3'
>>> "{1} expects the {0} Inquisition!".format("Spanish", "Nobody")
'Nobody expects the Spanish Inquisition!'

See :ref:`formatstrings` for a description of the various formatting options
that can be specified in format strings.
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