gh-139772: Add PyDict_NewPresized() function #139773
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vstinner
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AA-Turner,
markshannon and
methane
as code owners
methane
reviewed
Oct 9, 2025
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| Return a new empty dictionary with at least *size* preallocated items, | ||
| or ``NULL`` on failure. |
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No guarantee about its size. size is just a hint.
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📚 Documentation preview 📚: https://cpython-previews--139773.org.readthedocs.build/