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clarify discussion of iteration in the section on the "for" statement

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(SF bug #829073)
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Fred Drake 2004-11-02 19:18:20 +00:00
parent 303e30ef9f
commit 7fabaf8375
1 changed files with 4 additions and 2 deletions
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6
Doc/ref/ref7.tex
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@ -134,8 +134,10 @@ sequence (such as a string, tuple or list) or other iterable object:
\productioncont{["else" ":" \token{suite}]}
\end{productionlist}
The expression list is evaluated once; it should yield a sequence. The
suite is then executed once for each item in the sequence, in the
The expression list is evaluated once; it should yield an iterable
object. An iterator is created for the result of the
{}\code{expression_list}. The suite is then executed once for each
item provided by the iterator, in the
order of ascending indices. Each item in turn is assigned to the
target list using the standard rules for assignments, and then the
suite is executed. When the items are exhausted (which is immediately