def test_generate_configurations_2():
assert sp.generate_configurations([1, 2, 3]) == [(1, 1), (1, 2), (1, 3),
(2, 1), (
2,
2,
), (2, 3), (3, 1), (3, 2),
(3, 3)]
def test_generate_configurations_3():
assert sp.generate_configurations("ab", n=3) == [('a', 'a', 'a'),
('a', 'a', 'b'),
('a', 'b', 'a'),
('a', 'b', 'b'),
('b', 'a', 'a'),
('b', 'a', 'b'),
('b', 'b', 'a'),
('b', 'b', 'b')]
def test_generate_configurations_1():
assert sp.generate_configurations([]) == []