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#!/usr/bin/env python
""" PerlWeeklyChallenge 054"""
import sys
from itertools import permutations
class NthPermut:
""" Produce nth permutation"""
def get_nth_permutations(self, n_integers: int, k_permutation: int):
""" return the nth permutation"""
nth_perm = list(permutations(range(1, n_integers+1)))[k_permutation-1]
return nth_perm
class TestNthPermut:
"""Test for the NthPermut class"""
def __init__(self):
self.perm = NthPermut()
def do_tests(self):
"""Run the tests"""
assert self.perm.get_nth_permutations(3, 4) == (2, 3, 1)
def main():
"""Main method"""
assert len(sys.argv) == 3
permutator = NthPermut()
print(permutator.get_nth_permutations(int(sys.argv[1]), int(sys.argv[2])))
perm_tester = TestNthPermut()
perm_tester.do_tests()
if __name__ == "__main__":
main()
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