enumerated while loop

[Grant Edwards]

On 2010-01-23, Roald de Vries <rdv at roalddevries.nl> wrote:
> Dear all,
>
> I sometimes want to use an infinite while loop with access to the loop  
> index, like this:
>
> def naturals():
>      i = 0
>      while True:
>      yield i
>      y += 1
>
> for i in naturals():
>      print(i)
>
> I assume a function like 'naturals' already exists, or a similar  
> construction for the same purpose. But what is it called?

xrange(), except that you need to provde an upper limit.

-- 
Grant