"Mark" <[EMAIL PROTECTED]> wrote
> > Is it possible to traverse say python lists via http://
>
> http is a network protocol.
> What does that have to do with traversing python lists?
> Can you clarify what you mean by that?
>
> > say there is a list in the memory
> > can we traverse the list using list/next list/prev list/first
> > list/last
>
> Not with a standard list although its not hard to do by defining
> your own class wrappibng a list.
>
> You can however traverse a list using a standard for loop:
>
> for item in [1,2,3,4,5]:
> print item
>
> And you can use range() to generate a set of indices
> that will allow you to iterate by more unusual step sizes
As well as range(), slicing can do;
for item in [1,2,3,4,5,6,7,8,9,0][::2]:
print item
1
3
5
7
9
for item in [1,2,3,4,5,6,7,8,9,0][::-2]:
print item
0
8
6
4
2
Matt.
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