From c1c9ad1d5a62a591eb2f0f0d29f3fa02e0949f14 Mon Sep 17 00:00:00 2001
From: Oleg Burnaev <51371645+Shepard2154@users.noreply.github.com>
Date: Sat, 17 May 2025 10:59:37 +0300
Subject: [PATCH] gh-133881: add forward reference to `list.sort()` in lambda
 expression tutorial (#133910)

---
 Doc/tutorial/controlflow.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index 95939242fb7..9a810f16388 100644
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -999,7 +999,8 @@ 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])