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Diffstat (limited to 'Doc/tut')
| -rw-r--r-- | Doc/tut/tut.tex | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex index 1990ab8..512dd6e 100644 --- a/Doc/tut/tut.tex +++ b/Doc/tut/tut.tex @@ -1862,6 +1862,19 @@ SyntaxError: invalid syntax [8, 12, -54] \end{verbatim} +To make list comprehensions match the behavior of \keyword{for} +loops, assignments to the loop variable remain visible outside +of the comprehension: + +\begin{verbatim} +>>> x = 100 # this gets overwritten +>>> [x**3 for x in range(5)] +[0, 1, 8, 27, 64] +>>> x +4 # the final value for range(5) +>> +\end{verbatim} + \section{The \keyword{del} statement \label{del}} |