Re: "For" loop and list comprehension similarity

On 2006-03-26, s.lipnevich@gmail.com <s.lipnevich@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

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