def ___init___(self,r,dx,dy,color):
Turtle.___init___(self)
self.r=r
self.dx=dx
self.dy=dy
self.shape("Circle")
self.color=color
self.size=r/10
def ___init___(self,r,dx,dy,color):
Turtle.___init___(self)
self.r=r
self.dx=dx
self.dy=dy
self.shape("Circle")
self.color=color
self.size=r/10
