Python 3.13's new REPL is AMAZING

Published: 26 August 2024
on channel: Carberra

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Python's REPL (or its interactive shell) has been pretty lacking for a while. Outdated and unintuitive, it proved useful for simple checks, but nothing really that complicated. Thankfully the PSF felt the same, and now Python 3.13 has a new REPL, based on PyPy's! This REPL is massively better than the current one, so I wanted to show it off!

Note: This video uses Python 3.13.0rc1; the REPL is still a little buggy in this version, but I imagine all these bugs will be fixed for the final release.

0:00 - Intro
0:48 - Colourised prompts [1, 2]
1:47 - Commands now work as commands [2]
2:20 - The new clear command [2]
2:43 - Multi-line editing [2]
4:25 - F1 to get to help mode [2]
5:56 - The new history mode on F2 [2]
6:48 - The new paste mode on F3 [2]
8:32 - Some of the (current) bugs [3-4]
9:50 - Outro

[1]    • Python now has COLOURED tracebacks
[2] https://docs.python.org/3.13/whatsnew...
[3] https://github.com/python/cpython/iss...
[4] https://github.com/python/cpython/iss...

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#python #coding #howto

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