bpo-38558: Link to further docs from walrus operator mention in tutorial (GH-16973)

adorilson · web-flow · commit 5807efd4c396 · 2020-02-03T18:11:19.000+01:00
diff --git a/Doc/faq/design.rst b/Doc/faq/design.rst
@@ -148,6 +148,8 @@ variables and instance variables live in two different namespaces, and you need
 to tell Python which namespace to use.
 
 
+.. _why-can-t-i-use-an-assignment-in-an-expression:
+
 Why can't I use an assignment in an expression?
 -----------------------------------------------
 
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
@@ -676,9 +676,10 @@ to a variable.  For example, ::
    'Trondheim'
 
 Note that in Python, unlike C, assignment inside expressions must be done
-explicitly with the walrus operator ``:=``. This avoids a common class of
-problems encountered in C programs: typing ``=`` in an expression when ``==``
-was intended.
+explicitly with the
+:ref:`walrus operator <why-can-t-i-use-an-assignment-in-an-expression>` ``:=``.
+This avoids a common class of problems encountered in C programs: typing ``=``
+in an expression when ``==`` was intended.
 
 
 .. _tut-comparing:
