What is the best way to iterate over multiple lists at once

Question

Let s say I have two or more lists of same length  What s a good way to iterate through them   a  b are the lists    for i  ele in enumerate a       print ele  b i    or  for i in range len a       print a i   b i    or is there any variant I am missing   Is there any particular advantages of using one over other

User · Answer

You can use zip    gt  gt  gt  a    1  2  3   gt  gt  gt  b     a    b    c    gt  gt  gt  for x  y in zip a  b         print x  y      1 a 2 b 3 c

User · Answer

The usual way is to use zip     for x  y in zip a  b         x is from a  y is from b   This will stop when the shorter of the two iterables a and b is exhausted   Also worth noting  itertools izip    Python 2 only  and itertools izip longest    itertools zip longest   in Python 3

[python] What is the best way to iterate over multiple lists at once?

Examples related to python