Printing all combinations, python

Question

say I have 3 different variables and each has 2 possible values, so in total I have 8 different combinations. Is there a python library function, or an algorithm that I can use to print all possible combinations?

Thanks

possible duplicate of Python code to pick out all possible combinations from a list? — Matt Fenwick
– Matt Fenwick, Commented Aug 15, 2012 at 11:55
@MattFenwick: No, this is not a combinations problem, rather it's the product the OP is looking for. — Martijn Pieters
– Martijn Pieters, Commented Aug 15, 2012 at 12:01
possible duplicate of Get the cartesian product of a series of lists in Python — Martijn Pieters
– Martijn Pieters, Commented Aug 15, 2012 at 12:02

georg · Accepted Answer · 2012-08-15 11:54:56Z

11

I think you're looking for product:

a = [1, 2]
b = [100, 200]
c = [1000, 2000]

import itertools
for p in itertools.product(a, b, c):
    print p

prints:

(1, 100, 1000)
(1, 100, 2000)
(1, 200, 1000)
(1, 200, 2000)
(2, 100, 1000)
(2, 100, 2000)
(2, 200, 1000)
(2, 200, 2000)

answered Aug 15, 2012 at 11:54

georg

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Odomontois · Accepted Answer · 2012-08-15 11:55:20Z

1

And the true one function here is itertools.product

answered Aug 15, 2012 at 11:55

Odomontois

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