#!/usr/bin/python3

import copy

class tmp:
	def __init__(self,a):
		self.a=a

t1 = tmp([1,2,3])
t2 = tmp([4,5,6])
t1=copy.deepcopy(t2)
t1.a[0]=0
t2.a[1]=0
print(t1.a)
print(t2.a)