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[3.13] Document that return-less user-defined functions return None (GH-126769) #126822

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Nov 14, 2024
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[3.13] Document that return-less user-defined functions return None (GH-126769) #126822

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3 changes: 2 additions & 1 deletion Doc/reference/expressions.rst
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Expand Up @@ -1156,7 +1156,8 @@ a user-defined function:
first thing the code block will do is bind the formal parameters to the
arguments; this is described in section :ref:`function`. When the code block
executes a :keyword:`return` statement, this specifies the return value of the
function call.
function call. If execution reaches the end of the code block without
executing a :keyword:`return` statement, the return value is ``None``.

a built-in function or method:
.. index::
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