object's list index

[William Meyer]

Kent Johnson <kent <at> kentsjohnson.com> writes:

> In either case enumerate() is your friend. To find an 
> item by identity:
> 
> def index_by_id(lst, o):
>    for i, item in enumerate(lst):
>      if item is o:
>        return i
>    raise ValueError, "%s not in list" % o
> 
> If you just want the index available inside the loop, this replaces your 
> original loop:
> for i, object in enumerate(lst):
>    print i
> 
> Kent

Thanks, both you and Fredrik Lundh suggested enumerate, which seems like the
best solution. I just need the index inside the loop, but thanks again for both
solutions.