Phython install permutations code example
Example 1: all permutations python
import itertools
print(list(itertools.permutations([1,2,3])))
Example 2: python permutation
import itertools
a = [1, 2, 3]
n = 3
perm_iterator = itertools.permutations(a, n)
for item in perm_iterator:
print(item)