Python: Cartesian Product

itertools.product()

See below. After executing cartesian_prod.py:

• input two space-separated integers assigned to list A, e.g. 1 2
• input two space-separated integers assigned to list B, e.g. 3 4

$ python cartesian_prod.py
1 2
3 4
(1, 3) (1, 4) (2, 3) (2, 4)

Cartesian product - Wikipedia