Arrangements and Combinations · Arrangements

Lesson 2

Nikolai Chukhin · Alexander S. Kulikov

from itertools import product

for p in product('ab', repeat=4):
    print(*p, sep='')

aaaa
aaab
aaba
aabb
abaa
abab
abba
abbb
baaa
baab
baba
babb
bbaa
bbab
bbba
bbbb