From: Nick Coghlan Date: Thu, 7 Jun 2012 12:57:35 +0000 (+1000) Subject: Nudge readers towards a more accurate mental model for loop else clauses (Backport... X-Git-Tag: v2.7.4rc1~771 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0a09f3e2c32677b30414a3af93b9bc1841606326;p=python Nudge readers towards a more accurate mental model for loop else clauses (Backport from 3.x) --- diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst index 24c02eb2a9..59b7fff196 100644 --- a/Doc/tutorial/controlflow.rst +++ b/Doc/tutorial/controlflow.rst @@ -159,6 +159,13 @@ following loop, which searches for prime numbers:: (Yes, this is the correct code. Look closely: the ``else`` clause belongs to the :keyword:`for` loop, **not** the :keyword:`if` statement.) +When used with a loop, the ``else`` clause has more in common with the +``else`` clause of a :keyword:`try` statement than it does that of +:keyword:`if` statements: a :keyword:`try` statement's ``else`` clause runs +when no exception occurs, and a loop's ``else`` clause runs when no ``break`` +occurs. For more on the :keyword:`try` statement and exceptions, see +:ref:`tut-handling`. + .. _tut-pass: