What is wrong with the following code: class Ball(): def __init__(self): self.x = 0 self.y = 0 self.change_x = 0 self.change_y = 0 x += change_x y += change_y

What is wrong with the following code: class Ball(): def __init__(se

1.	What is wrong with the following code: class Ball(): def __init__(self): self.x = 0 self.y = 0 self.change_x = 0 self.change_y = 0 x += change_x y += change_y
Answer» it's from which LESSON???