>>24901843
are you drunk, the combinations (1,3) and (3,1) count as the same one, it's without order, as opposed to an arrangement.
Still I'm not that poster. And you're not this one
>>24898747
So it's fine if we don't understand each others.
from itertools import combinations
print (list(combinations([1, 2, 3, 4], 2)))
#> [(1, 2), (1, 3), (1, 4), (2, 3), (2, 4), (3, 4)]