def test1(self): self.assertEqual(average.averageList([1, 2, 3]), 2)
def test2(self): self.assertEqual(average.averageList([-1, -2, -3]), -2)
def test3(self): self.assertEqual(average.averageList([]), "Error")
def test_float(self): self.assertEqual(average.averageList([1.2, 3.5, 4.6, 5.7]), 3.75)
def test_normal(self): self.assertEqual(average.averageList([1, 2, 3, 4, 5]), 3.0)
def test_div_by_zero(self): self.assertEqual(average.averageList([]), None)
def test_negative(self): self.assertEqual(average.averageList([-1, -2, -3, -4, -5]), -3.0)