Loop three lists at the same time?

[Gabriel Genellina]

En Tue, 13 Nov 2007 07:46:09 -0300, Davy <zhushenli at gmail.com> escribió:

> I have three lists with the same length. Is there any method to loop
> the three lists without a loop counter?

Try zip or itertools.izip:

py> L1 = ['a','b','c']
py> L2 = [1, 2, 3]
py> L3 = ['I', 'II', 'III']
py> from itertools import izip
py> for x,y,z in izip(L1,L2,L3):
...   print x,y,z
...
a 1 I
b 2 II
c 3 III

-- 
Gabriel Genellina