8000 bpo-38558: Link to further docs from walrus operator mention in tutor… by sthagen · Pull Request #223 · sthagen/python-cpython · GitHub
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Feb 3, 2020
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bpo-38558: Link to further docs from walrus operator mention in tutor… #223

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bpo-38558: Link to further docs from walrus operator mention in tutor… 
…ial (pythonGH-16973)
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@adorilson
adorilson authored Feb 3, 2020
commit 5807efd4c396d5718325e21f5a14e324a77ff77c
2 changes: 2 additions & 0 deletions 8000 Doc/faq/design.rst
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Expand Up @@ -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?
-----------------------------------------------

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7 changes: 4 additions & 3 deletions Doc/tutorial/datastructures.rst
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Expand Up @@ -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:
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