def test_equals_2(self): self.assertEqual(find_average([1, 3, 5, 7]), 4)
def test_equals(self): self.assertEqual(find_average([1]), 1)
def test_equals_4(self): self.assertEqual(find_average([5, 7, 3, 7]), 5.5)
def test_equals_5(self): self.assertEqual(find_average([]), 0)
def test_equals_3(self): self.assertEqual(find_average([-1, 3, 5, -7]), 0)