def test_clone(self):
point = Point(2, 4)
new_point = point.clone()
self.assertEqual(point, new_point)
point.move_to(0, 0)
self.assertNotEqual(point, new_point)
def test_change_coordinates(self):
point = Point(3, 4)
point.move_to(2, 0)
self.assertEqual(point.x, 2)
self.assertEqual(point.y, 0)
