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Python has a lot of powerful features hiding in plain sight, and many developers never really use them. In this video, you’ll see a series of small but impactful Python features that make real code cleaner, safer, and faster, illustrated with concrete before-and-after examples. If you’ve been writing Python for a while and want to level up how your code reads and behaves, this video will give you a few good “wait… Python can do that?” moments.

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🔖 Chapters:
0:00 Intro
1:01 Why These Features Matter
1:27 1. functools.cache
2:32 2. typing.Protocol
5:46 3. dataclasses.replace
8:27 4. itertools.pairwise
9:36 5. Assignment Expressions (:=)
10:52 6. pathlib
12:40 7. contextlib.suppress
13:59 8. contextvars
16:44 9. match with guards
18:25 10. contextlib.ExitStack
20:13 Final Thoughts

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10 Python Features You’re Not Using (But Really Should)