# Write a Python program to get all unique combinations of two Lists # python program to demonstrate# unique combination of two lists# using zip() and permutation of itertools# import itertools packageimport itertoolsfrom itertools import permutations# initialize listslist_1 = ["a", "b", "c","d"]list_2 = [1,4,9]# create empty list to store the# combinationsunique_combinations = []# Getting all permutations of list_1# with length of list_2permut = itertools.permutations(list_1, len(list_2))# zip() is called to pair each permutation# and shorter list element into combinationfor comb in permut:    zipped = zip(comb, list_2)    unique_combinations.append(list(zipped))# printing unique_combination listprint(unique_combinations)