Python’s new frozendict type

Overview

Only rarely do new types get added to Python. With Python 3.15, the dictionary type now has an immutable counterpart, the "frozendict". With it, you can use a dictionary in a great many more places where you previously couldn't — for instance, as a key in another dictionary! See in this video how the frozendict works, where it can benefit you, and its limits as well as its advantages.

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