On Fri, Nov 2, 2012 at 6:14 PM, jack <naruto0.1 at live.cn> wrote: > Sometimes, I need to alter the element as traverse a list like this (it's a > sample): > c = range(10) > i = 0 > for ele in c: > # do something > # branch: > c[i] = # value > i += 1 > > How to be pythonic？ Check out the enumerate() function. ChrisA