8000 introduce `list.sort()` but no details before · Issue #133881 · python/cpython · GitHub
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Yzi-Li opened this issue May 11, 2025 · 8 comments
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introduce list.sort() but no details before #133881

Yzi-Li opened this issue May 11, 2025 · 8 comments
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@Yzi-Li
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Yzi-Li commented May 11, 2025 •
edited by bedevere-app bot
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Documentation

A example of lambda expressions introduces list.sort(), but there aren't details of list.sort() before.

>>> pairs = [(1, 'one'), (2, 'two'), (3, 'three'), (4, 'four')]
>>> pairs.sort(key=lambda pair: pair[1])
>>> pairs
[(4, 'four'), (1, 'one'), (3, 'three'), (2, 'two')]

We shoud link more on lists after this example or in tutorial 3.1.3 lists.

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@Yzi-Li Yzi-Li added the docs Documentation in the Doc dir label May 11, 2025
@picnixz picnixz added the easy label May 11, 2025
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picnixz commented May 11, 2025 •
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We could write something like:

-Another use is to pass a small function as an argument:
+Another use is to pass a small function as an argument. For instance, :meth:`list.sort`
+takes a sorting key function *key* which can be a lambda function:

@Yzi-Li
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Yzi-Li commented May 11, 2025

I agree with you.

@Yzi-Li
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Yzi-Li commented May 11, 2025

Should I fix it or leave it for newcomers?

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picnixz commented May 11, 2025

You can pick up the task if you want!

@Yzi-Li
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Yzi-Li commented May 11, 2025

I would like to leave it.

@Shepard2154
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I'm ready to take it on, I've already written the documentation for pip.

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@Shepard2154 thank you! please, feel free to ask any questions.

@Shepard2154 Shepard2154 mentioned this issue May 11, 2025
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picnixz pushed a commit that referenced this issue May 17, 2025
@Shepard2154
gh-133881: add forward reference to list.sort() in lambda expressio…
c1c9ad1 
…n tutorial (#133910)
miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 17, 2025
@Shepard2154 @miss-islington
pythongh-133881: add forward reference to list.sort() in lambda exp…
f7f12f3 
…ression tutorial (pythonGH-133910)

(cherry picked from commit c1c9ad1)

Co-authored-by: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
@bedevere-app bedevere-app bot mentioned this issue May 17, 2025
Merged
miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 17, 2025
@Shepard2154 @miss-islington
pythongh-133881: add forward reference to list.sort() in lambda exp…
d95e663 
…ression tutorial (pythonGH-133910)

(cherry picked from commit c1c9ad1)

Co-authored-by: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
@bedevere-app bedevere-app bot mentioned this issue May 17, 2025
Merged
picnixz pushed a commit that referenced this issue May 17, 2025
@miss-islington @Shepard2154
[3.13] gh-133881: add forward reference to list.sort() in lambda ex…
c529870 
…pression tutorial (GH-133910) (#134127)

gh-133881: add forward reference to `list.sort()` in lambda expression tutorial (GH-133910)
(cherry picked from commit c1c9ad1)

Co-authored-by: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
picnixz pushed a commit that referenced this issue May 17, 2025
@miss-islington @Shepard2154
[3.14] gh-133881: add forward reference to list.sort() in lambda ex…
8DE7
075cabb 
…pression tutorial (GH-133910) (#134126)

gh-133881: add forward reference to `list.sort()` in lambda expression tutorial (GH-133910)
(cherry picked from commit c1c9ad1)

Co-authored-by: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
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picnixz commented May 17, 2025

Thank you for the report & the fix.

@picnixz picnixz closed this as completed May 17, 2025
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