#!/usr/bin/python

class Point:
	def __init__(self,x=0,y=0):
		self.x=x
		self.y=y

	def __del__(self):
		class_name = self.__class__.__name__
		print class_name, "destroyed"

pt1=Point()
pt2=pt1
pt3=pt1
print id(pt1),id(pt2),id(pt3)
del pt1
del pt2
del pt3