8000 [3.13] gh-133881: add forward reference to `list.sort()` in lambda expression tutorial (GH-133910) by miss-islington · Pull Request #134127 · python/cpython · GitHub
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[3.13] gh-133881: add forward reference to list.sort() in lambda expression tutorial (GH-133910) #134127

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May 17, 2025
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[3.13] gh-133881: add forward reference to list.sort() in lambda expression tutorial (GH-133910) #134127

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gh-133881: add forward reference to list.sort() in lambda expressio… 
…n tutorial (GH-133910)

(cherry picked from commit c1c9ad1)

Co-authored-by: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
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@Shepard2154 @miss-islington
Shepard2154 authored and miss-islington committed May 17, 2025
commit d95e663185c3554afcb9cd58130a024c215b75d3
3 changes: 2 additions & 1 deletion Doc/tutorial/controlflow.rst
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Expand Up @@ -998,7 +998,8 @@ scope::
43

The above example uses a lambda expression to return a function. Another use
is to pass a small function as an argument::
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::

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