def test_equals_2(self): self.assertEqual(sum_array([1, 2, 3]), 6)
def test_equals_4(self): self.assertEqual(sum_array([4, 5, 6]), 15)
def test_equals(self): self.assertEqual(sum_array([]), 0)
def test_equals_3(self): self.assertEqual(sum_array([1.1, 2.2, 3.3]), 6.6)