A couple questions

[Gerhard Häring]

* Gonçalo Rodrigues <op73418 at mail.telepac.pt> [2002-05-15 17:33 +0100]:
> 2. What is the pythonic way to traverse a list while modifying it? Put
> in another way, is
> 
> for i in range(len(mylist)):
>     <change mylist here>
> 
> safe or am I bound to use a while loop with an explicit counter?

As long as the length of the list stays constant, they're one and the
same thing, arent't they? Except with a while-loop, len(mylist) is
calculated on every loop iteration, while the range is only built once.

Gerhard
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