how to obtain the permutation of 3 numbers in python code example

Example 1: all permutations python

import itertools
print(list(itertools.permutations([1,2,3])))

Example 2: python create a program that runs through all possible combinations

from itertools import combinations

lst = ["a" ,"b", "c"]
lengthOfStrings = 3
for i in combinations(lst, lengthOfStrings):
  print(i)