#!/usr/local/bin/python2
from copy import deepcopy

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

  def p(self):
    print self.a

c1 = C([1])
c2 = deepcopy(c1.p)
c3 = deepcopy(c1)
c1.a.append(2)
c2.__self__.a = 2
c1.p()
c2()
c3.p()