関連ワード:  all permutations of a list in python    generate all permutations of a list in python    get all permutations of a list in python    all permutations of a list python recursion    how to print all permutations of a list in python    get all permutations of a list python without itertools    return all permutations of a list python    permutations of a list in python    get every permutation of a list python    write a python program to generate all permutations of a list in python