#!/usr/local/bin/python2
import cPickle as pickle
import copy

class C(object):
  def __init__(self, a):
    self.a = a

  def n(self):
    self.a = 123

  def p(self):
    print self.a

c = C([])
z = pickle.dumps(c)
c2 = pickle.loads(z)
c3 = pickle.loads(z)
print c, c2, c3