def test_sum(input, expected): assert _sum(input) == expected
def test_sum_fails(): data = (1.2, -1.0) assert _sum(data) == 0.2
def test_sum_simple(): data = (1, 2, 3, 4) assert _sum(data) == 10
def test_sum_simple(data): assert badstats._sum(data) == 10.0