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Title: gh-48962: Fix duplicate values in the list when deepcopying a subclass list by furkanonder · Pull Request #101466 · python/cpython · GitHub

Open Graph Title: gh-48962: Fix duplicate values in the list when deepcopying a subclass list by furkanonder · Pull Request #101466 · python/cpython

X Title: gh-48962: Fix duplicate values in the list when deepcopying a subclass list by furkanonder · Pull Request #101466 · python/cpython

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Open Graph Description: Issue: Document pickle behavior for subclasses of dicts/lists #48962

X Description: Issue: Document pickle behavior for subclasses of dicts/lists #48962

Opengraph URL: https://github.com/python/cpython/pull/101466

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Document pickle behavior for subclasses of dicts/lists #48962https://github.com/python/cpython/issues/48962
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Fix duplicate values in the list when copying a subclass listhttps://github.com/python/cpython/pull/101466/commits/0863cf49034a82c875be78b45680c1dc19c62e00
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Add new list subclass test cases to the copy modulehttps://github.com/python/cpython/pull/101466/commits/3e3916d4a9610aecf05b59c22ed0d70062acdc52
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Document pickle behavior for subclasses of dicts/lists #48962 https://github.com/python/cpython/issues/48962
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don't cast list to listhttps://github.com/python/cpython/pull/101466/commits/9d4d7a6c408e9eeb3a77782130ac33396921be9b
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Merge branch 'main' into issue-48962https://github.com/python/cpython/pull/101466/commits/1dfc3c1fb43e1be6c77e35e1f561dafec214dfaa
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Merge branch 'main' into issue-48962https://github.com/python/cpython/pull/101466/commits/9aaf916dbf71dd0de0e8a6d27cc198b247f4da59
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