question about a program

Chris Rebert clp2 at rebertia.com
Fri Oct 8 23:34:21 CEST 2010


On Thu, Oct 7, 2010 at 5:39 PM, Logan Butler <killable1337 at gmail.com> wrote:
> question about an assignment:
>
>>>> places("home sweet home is here",' ')
> [4, 10, 15, 18]
>
> this is my code:
>
> def places(x, y):
>    return [x.index(y) for v in x if (v == y)]
>
> so far I'm only getting
> [4, 4, 4, 4]
>
> so the first value is correct, it is just not iterating on to the next
> three items it needs to

Your loop variable is v, but your expression `x.index(y)` does not use
v at all, and hence its value is invariant over the course of the
loop.

Cheers,
Chris
--
http://blog.rebertia.com



More information about the Python-list mailing list