Python: Permutations and Combinations

• See also Sets: Permutations and Combinations

import itertools

lst = ['a', 'b', 'c']

print ("%s\n", lst);

# permutations - order matters

# ('a', 'b')
# ('a', 'c')
# ('b', 'a')
# ('b', 'c')
# ('c', 'a')
# ('c', 'b')

perm = itertools.permutations (lst, 2)

for p in perm:
    print p


# combinations - order does not matter

# ('a', 'b')
# ('a', 'c')
# ('b', 'c')

comb = itertools.combinations (lst, 2)

for c in comb:
    print c

comb =