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vstinner merged 2 commits into from
Feb 10, 2026
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gh-72798: Add mapping example to str.translate documentation #144454

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gh-72798: Add mapping example to str.translate documentation
kovan Feb 3, 2026
4328d06
gh-72798: Use .. doctest:: directive for str.translate example
kovan Feb 9, 2026
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8 changes: 8 additions & 0 deletions Doc/library/stdtypes.rst
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Expand Up @@ -2846,6 +2846,14 @@ expression support in the :mod:`re` module).
You can use :meth:`str.maketrans` to create a translation map from
character-to-character mappings in different formats.

The following example uses a mapping to replace ``'a'`` with ``'X'``,
``'b'`` with ``'Y'``, and delete ``'c'``:

.. doctest::

>>> 'abc123'.translate({ord('a'): 'X', ord('b'): 'Y', ord('c'): None})
'XY123'

See also the :mod:`codecs` module for a more flexible approach to custom
character mappings.

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