"For" loop and list comprehension similarity
Grant Edwards
grante at visi.com
Sun Mar 26 16:19:18 EST 2006
On 2006-03-26, s.lipnevich at gmail.com <s.lipnevich at gmail.com> wrote:
> Hi All,
>
> I apologize if this was brought up before, I couldn't find any "prior
> art" :-).
> On more than one occasion, I found myself wanting to use a "conditional
> loop" like this (with "Invalid syntax" error, of course):
>
> for i in c if <test>:
> print i*2
>
> ...because it's similar to the list comprehension construct:
>
> [i*2 for i in c if <test>]
> ---------
>
> Is this the intended difference in constructs? The available equivalent
> feels a bit awkward:
>
> for i in c:
> if <test>:
> print i*2
for j in [i*2 for i in c if <test>]:
print j
--
Grant Edwards grante Yow! .. I wonder if I
at ought to tell them about my
visi.com PREVIOUS LIFE as a COMPLETE
STRANGER?
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