The 10 biggest new things in Python 3.15

Overview

Python 3.15's first release candidate is out, and is worth trying with your own programs. Here's the 10 biggest things you'll want to know about and get your hands dirty with.
More on the "lazy imports" feature: https://www.infoworld.com/article/4145854/speed-boost-your-python-programs-with-new-lazy-imports.htm...
More on the "frozendict" type: https://www.infoworld.com/article/4152654/get-started-with-pythons-new-frozendict-type.html
All of what's new in Python 3.15: https://www.infoworld.com/article/4166693/the-best-new-features-in-python-3-15.html

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