gh-106318: Add examples for str.casefold() and str.lower() methods#142154
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vstinner merged 6 commits intopython:mainfrom Jan 7, 2026
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gh-106318: Add examples for str.casefold() and str.lower() methods#142154vstinner merged 6 commits intopython:mainfrom
vstinner merged 6 commits intopython:mainfrom
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Doc/library/stdtypes.rst
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| lowercase letter ``'ß'`` is equivalent to ``"ss"``. Since it is already | ||
| lowercase, :meth:`lower` would do nothing to ``'ß'``; :meth:`casefold` | ||
| converts it to ``"ss"``. | ||
| converts it to ``"ss"``, as follows: |
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I find this is a little repetitive, if one reads the sentence the example just repeats the exact same thing.
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What if we remove the sentence and put comments?
>>> 'ß'.casefold() # the German lowercase letter ``'ß'``
'ss'
>>> 'ß'.lower() # since it is already lowercase, lower does nothing
'ß'
vstinner
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Jan 6, 2026
Co-authored-by: Victor Stinner <vstinner@python.org>
vstinner
reviewed
Jan 7, 2026
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
vstinner
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needs backport to 3.13
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Thanks @adorilson for the PR, and @vstinner for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13, 3.14. |
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…ods (pythonGH-142154) (cherry picked from commit 51a56a3) Co-authored-by: Adorilson Bezerra <adorilson@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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…ods (pythonGH-142154) (cherry picked from commit 51a56a3) Co-authored-by: Adorilson Bezerra <adorilson@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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GH-143524 is a backport of this pull request to the 3.14 branch. |
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GH-143525 is a backport of this pull request to the 3.13 branch. |
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…hods (GH-142154) (#143524) gh-106318: Add examples for str.casefold() and str.lower() methods (GH-142154) (cherry picked from commit 51a56a3) Co-authored-by: Adorilson Bezerra <adorilson@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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…hods (GH-142154) (#143525) gh-106318: Add examples for str.casefold() and str.lower() methods (GH-142154) (cherry picked from commit 51a56a3) Co-authored-by: Adorilson Bezerra <adorilson@gmail.com> Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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Merged, thanks! |
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…ods (python#142154) Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
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WIP to #106318
gh-106318: Add examples for str.casefold() and str.lower() methods
📚 Documentation preview 📚: https://cpython-previews--142154.org.readthedocs.build/