import pytest @pytest.mark.parametrize( "one, two, three", [ ([1, 2], [1, 2], 6), ([1, 2, 3], [1, 2, 3], 12), ([1, 2, 3, 4], [1, 2, 3, 4], 20), ], ) def test_solution(one, two, three): assert sum(one) + sum(two) == three