def __init__(self, tag):
    self.shape = canvas.create_oval(0, 0, SIZE, SIZE, fill=color, tags=tag)
    self.speedx = 10
    self.speedy = 15
    self.active = True
def __init__(self, tag):
    self.shape = canvas.create_oval(0, 0, SIZE, SIZE, fill=color, tags=tag)
    self.speedx = 10
    self.speedy = 15
    self.active = True