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New In Python 3.15: frozendict

From Lawrence D’Oliveiro <ldo@nz.invalid>
Newsgroups comp.lang.python
Subject New In Python 3.15: frozendict
Date 2026-04-07 21:43 +0000
Organization A noiseless patient Spider
Message-ID <10r3tqv$34v12$1@dont-email.me> (permalink)

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I suppose everybody starting out with Python and discovering that
tuples were available as an immutable alternative to lists, and
frozensets as an immutable alternative to sets, has wondered why dicts
were the odd one out in this.

Well, this omission is finally being fixed with the introduction of
frozendicts in Python 3.15 <https://peps.python.org/pep-0814/>.

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New In Python 3.15: frozendict Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-07 21:43 +0000

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