Issue with my code
maiden129
sengokubasarafever at gmail.com
Tue Feb 5 15:19:08 EST 2013
How to reverse the two loops?
On Tuesday, February 5, 2013 2:43:47 PM UTC-5, Dave Angel wrote:
> On 02/05/2013 02:20 PM, maiden129 wrote:
>
> > On Tuesday, February 5, 2013 1:56:55 PM UTC-5, marduk wrote:
>
> >> On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
>
> >>
>
> <Snipping double-spaced googlegroups trash>
>
> >
>
> > when I removed "s.remove(i), it starts to repeat the number of occurrences too
>
> >
>
> > many times like this:
>
> >
>
> > 2 occurs 3 times.
>
> > 2 occurs 3 times.
>
> > 3 occurs 3 times.
>
> > 3 occurs 3 times.
>
> > 2 occurs 3 times.
>
> > 2 occurs 3 times.
>
> > 5 occurs 1 time.
>
> > 3 occurs 3 times.
>
> > 3 occurs 3 times.
>
> > 4 occurs 1 time.
>
> > 3 occurs 3 times.
>
> > 3 occurs 3 times.
>
> > 1 occurs 1 time.
>
> > 2 occurs 3 times.
>
> > 2 occurs 3 times.
>
> >
>
> > How can I stop this?
>
> >
>
>
>
> As MRAB pointed out, don't delete items from a list you're iterating
>
> over. It can make the iterator go nuts. He suggests the collections
>
> module.
>
>
>
> But if you want to do it by hand, one approach is to reverse the two
>
> loops. Iterate over the characters in CheckS list, examining the entire
>
> s list for each one and figuring out how many times the character occurs.
>
>
>
> Another approach is to build a dict, or a defaultdict, to keep counts
>
> for each of the characters in CheckS.
>
>
>
> --
>
> DaveA
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