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Title: [3.13] gh-132762: Fix underallocation bug in `dict.fromkeys()`(gh-133627) by colesbury · Pull Request #133686 · python/cpython · GitHub

Open Graph Title: [3.13] gh-132762: Fix underallocation bug in `dict.fromkeys()`(gh-133627) by colesbury · Pull Request #133686 · python/cpython

X Title: [3.13] gh-132762: Fix underallocation bug in `dict.fromkeys()`(gh-133627) by colesbury · Pull Request #133686 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: The function dict_set_fromkeys() adds elements of a set to an existing dictionary. The size of the expanded dictionary was estimated with PySet_GET_SIZE(iterable), which did not take into account t...

X Description: The function dict_set_fromkeys() adds elements of a set to an existing dictionary. The size of the expanded dictionary was estimated with PySet_GET_SIZE(iterable), which did not take into account t...

Opengraph URL: https://github.com/python/cpython/pull/133686

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dict_set_fromkeys() calculates size of dictionary improperly #132762https://github.com/python/cpython/issues/132762
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