On Fri, 5 Jun 2009 04:07:19 +0000 (UTC), kj <no.em...@please.post>
wrote:
>
>
>Suppose I have two lists, list_a and list_b, and I want to iterate
>over both as if they were a single list. E.g. I could write:
>
>for x in list_a:
> foo(x)
>for x in list_b:
> foo(x)
>
>But is there a less cumbersome way to achieve this? I'm thinking
>of something in the same vein as Perl's:
>
>for $x in (@list_a, @list_b) {
> foo($x);
>}
>
>TIA!
>
>kynn
def chain(*args):
return (item for seq in args for item in seq)
for x in chain(list_a, list_b):
foo(x)
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