def __setattr__(self, item, value):
if item == 'x':
self.pos[0] = value
elif item == 'y':
self.pos[1] = value
elif item == 'width':
self.size[0] = value
elif item == 'height':
self.size[1] = value
elif item == 'right':
self.size[0] = value - self.pos[0]
elif item == 'top':
self.size[1] = value - self.pos[1]
return Rectangle.__setattr__(self, item, value)
