Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #8109

Re: Better way to iterate over indices?

Show all headers | View raw

Billy Mays wrote:
> I have always found that iterating over the indices of a list/tuple is 
> not very clean:
> 
> for i in range(len(myList)):
>     doStuff(i, myList[i])

Definitely not beautiful.  ;)

> I know I could use enumerate:
> 
> for i, v in enumerate(myList):
>     doStuff(i, myList[i])

If you actually need the index, then this is the way to do it.  Note 
that in most cases, you don't need the index and can iterate directly:

for v in myList:
     doStuff(v)

 From your sample code (assuming you don't need i) this does the same thing.

~Ethan~

Back to comp.lang.python | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Better way to iterate over indices? Billy Mays <noway@nohow.com> - 2011-06-21 14:05 -0400
  Re: Better way to iterate over indices? Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-21 12:15 -0600
  Re: Better way to iterate over indices? Noah Hall <enalicho@gmail.com> - 2011-06-21 19:19 +0100
  Re: Better way to iterate over indices? Benjamin Kaplan <benjamin.kaplan@case.edu> - 2011-06-21 11:20 -0700
  Re: Better way to iterate over indices? Ethan Furman <ethan@stoneleaf.us> - 2011-06-21 11:35 -0700

csiph-web