Python 3.10 is here! This week on the show, two former guests and Real Python authors return to talk about the new version. Geir Arne Hjelle’s article was posted to the site Monday, and it’s titled “Python 3.10: Cool New Features for You to Try”. Christopher Trudeau’s video course came out on Tuesday, and it covers the topics from the article with multiple visual examples of Python 3.10 code.

Geir Arne and Christopher worked together to create code examples of the new features used in both. We talk about more user-friendly error messages, structural pattern matching, enhancements to Python’s type system, and much more.

Geir Arne and Christopher not only cover the new features but they offer advice about ways you might incorporate them into your code. We also discuss what you should think about before running the new version for your projects.

Course Spotlight: Cool New Features in Python 3.10

In this course, you’ll explore some of the coolest and most useful features in Python 3.10. You’ll appreciate more user-friendly error messages, learn about how you can handle complicated data structures with structural pattern matching, and explore new enhancements to Python’s type system.

Topics:

00:00:00 – Introduction
00:02:20 – Better Error Messages
00:07:14 – Structural Pattern Matching
00:14:14 – Sponsor: Snyk
00:14:55 – Type Unions, Aliases, and Guards
00:22:34 – Future Annotations
00:26:46 – Stricter Zipping of Sequences
00:28:30 – New Functions in the statistics Module
00:31:46 – Video Course Spotlight
00:32:50 – Asynchronous Iteration
00:38:59 – Default Text Encodings
00:41:33 – Context Manager Syntax
00:43:19 – Modern and Secure SSL
00:45:10 – Should you upgrade now?
00:49:59 – How to Detect Python 3.10 at Runtime
00:53:07 – Thanks and goodbye

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