def test_integer_powers(): assert integer_powers([x, x / 2, x**2 + 1, 2 * x / 3]) == [(x / 6, [(x, 6), (x / 2, 3), (2 * x / 3, 4)]), (1 + x**2, [(1 + x**2, 1)])]
def test_integer_powers(): assert integer_powers([x, x/2, x**2 + 1, 2*x/3]) == [ (x/6, [(x, 6), (x/2, 3), (2*x/3, 4)]), (1 + x**2, [(1 + x**2, 1)])]