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PEP 814: Misc changes #4708

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Nov 17, 2025
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PEP 814: Misc changes #4708

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PEP 814: Misc changes
vstinner Nov 15, 2025
beaf800
Fix typo
vstinner Nov 17, 2025
62bf37b
therefore
vstinner Nov 17, 2025
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6 changes: 3 additions & 3 deletions peps/pep-0814.rst
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Expand Up @@ -80,8 +80,8 @@ Construction
* ``frozendict(collection, **kwargs)`` combines the two previous
constructions.

Keys must be hashable and so immutable, but values can be mutable.
Using immutable values creates a hashtable ``frozendict``.
Keys must be hashable and therefore immutable, but values can be mutable.
Using immutable values creates a hashable ``frozendict``.

Creating a ``frozendict`` from a ``dict``, ``frozendict(dict)``, has a
complexity of *O*\ (*n*): items are copied (shallow copy).
Expand Down Expand Up @@ -164,7 +164,7 @@ See also :pep:`584` "Add Union Operators To dict".
Copy
----

``frozencopy.copy()`` returns a shallow copy. In CPython, it simply
``frozendict.copy()`` returns a shallow copy. In CPython, it simply
returns the same ``frozendict`` (new reference).

Use ``copy.deepcopy()`` to get a deep copy.
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