def test_fewer_is_better_one_vs_two(): input = [['a'], ['b', 'c']] output = [['a']] assert output == prefer_fewer(input)
def test_fewer_is_better_two_with_one_and_one_with_two(): input = [['a'], ['b', 'c'], ['d']] output = [['a'], ['d']] assert output == prefer_fewer(input)