def test_average_y_values(self): """average y values should return points for a function by averaging y values for points with same x coordinate""" points = [[0,0],[1,3],[1,5],[3,3],[4,1]] obs = average_y_values(points) exp = [(0,0.0),(1,4.0),(3,3.0),(4,1.0)] self.assertEqual(obs,exp)