frozendict built-in

Learn how to use the new frozendict built-in to create and manipulate immutable dictionaries. Python 3.15 introduced a new built-in data type: the frozendict. A frozendict is an immutable dictionary that can be created with the built-in of the same name: version_info = frozendict( {"major": 3, "minor": 15, "patch": 0} ) The dictionary literal syntax using the curly braces {} creates a regular dictionary, so you must always use the built-in frozendict to create a new frozen dictionary. In this article you'll learn about the characteristics of this immutable dictionary like its hashability, along with how to use this in conjunction with dict in typing contexts. 15 days of Python 3.15 To celebrate the release of Python 3.15, over the next 15 business days I'll be writing about a new 3.15 feature every day. Explained clearly and with examples so you don't have to sift through the changelog. Subscribe to receive this free email series: Enroll for free 🐍🚀 If you want, you can also check the…