23-01-2010 o 15:49:23 Diez B. Roggisch <de...@nospam.web.de> wrote:

Am 23.01.10 15:44, schrieb Roald de Vries:
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?

itertools.count() -- see http://docs.python.org/library/itertools.html#itertools.count

for i, item in enumerate(iterable):
     ....

That's completely beside the point.

Regards,
*j
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