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Mon Oct 20 13:31:35 EDT 2003 · https://mail.python.org/pipermail/python-dev/2003-October/039081.html

On Mon, Oct 20, 2003, Guido van Rossum wrote:
>Alex Martelli:
>>
>> We are indeed sure (sadly) that list comprehensions leak control variable 
>> names.
> 
> But they shouldn't.  It can be fixed by renaming them (e.g. numeric
> names with a leading dot).

?!?!  When listcomps were introduced, you were strongly against any
changes that would make it difficult to switch back and forth between a
listcomp and its corresponding equivalent for loop.  Are you changing
your position or are you suggesting that for loops should grow private
names?
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"It is easier to optimize correct code than to correct optimized code."
--Bill Harlan

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[Python-Dev] listcomps vs. for loops