How To Use Itertools To Compute All Combinations With Repeating Elements?

I have tried to use itertools to compute all combinations of a list ['a', 'b', 'c'] using combinations_with_replacement with repeating elements. The problem is in the fact that the

Solution 1:

For such small sequences you could use no itertools at all:

abc = ("a", "b", "c")

print [(x, y, z) for x in abc for y in abc for z in abc]
# output:
[('a', 'a', 'a'),
 ('a', 'a', 'b'),
 ('a', 'a', 'c'),
 ('a', 'b', 'a'),
 ('a', 'b', 'b'),
 ('a', 'b', 'c'),
 ('a', 'c', 'a'),
 ('a', 'c', 'b'),
 ('a', 'c', 'c'),
 ('b', 'a', 'a'),
 ('b', 'a', 'b'),
 ('b', 'a', 'c'),
 ('b', 'b', 'a'),
 ('b', 'b', 'b'),
 ('b', 'b', 'c'),
 ('b', 'c', 'a'),
 ('b', 'c', 'b'),
 ('b', 'c', 'c'),
 ('c', 'a', 'a'),
 ('c', 'a', 'b'),
 ('c', 'a', 'c'),
 ('c', 'b', 'a'),
 ('c', 'b', 'b'),
 ('c', 'b', 'c'),
 ('c', 'c', 'a'),
 ('c', 'c', 'b'),
 ('c', 'c', 'c')]