What's new in Python 3.11?

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Python 3.11 is out!

In this video, I show you some of the cool features and improvements made in this release.

Other notes:
- At the time of this video's release, MyPy doesn't support most of the new typing features. If you're eager to use them right away, consider using pyright.
- pyperformance benchmarks were from 3.11.0b3 (bare-metal Ubuntu, downloaded from Faster CPython repository) and Python 3.11.0rc2 (my M1 MBP + Docker run). This was attempt to get the video out on time, but I was two days late anyway ¯\_(ツ)_/¯

Credits

Chapters
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0:00 Python 3.11 is out!
0:24 Speed
1:09 Fine-Grained Error Locations
1:43 Exception notes
2:01 tomllib
2:53 Self Type
4:00 Variadic Generics
5:17 LiteralString
6:06 What I didn't cover
6:28 End Card

[encapsulatio]

Video idea:
A guide on how to achieve just as high quality OCR as using paid software would be also amazing to know. A lot of old documents are scanned as pictures and contained in a PDF and while reading you can't just jump to a term you're interested in that might be 50 pages lower.

[rohankokatanur]

Wonderful Doug.
Keep up the good work.

[charlie_chiu]

Why is this guy only have 426 subs only!???
He deserve much more!

[moussatouhami]

How you do source code animation (2:15)?