import pickle

class A:
    def __init__(self):
        pass
    class C:
        def __init__(self):
            print("deva")
            pass

        def a(self):
            print("yeah!")
            pass

class B:
    def __init__(self):
        self.b = A.C()
        self.b1=1

b = B()
print ("ok, object created")
my_pickled_b = pickle.dumps(b)
print ("ok, object pickled, here it is...")
print (my_pickled_b)
print ("trying to unpickle it ...")
c = pickle.loads(my_pickled_b)
print ("unpickled! here it is:")
print (c)
print ("and this is the value of c.b1 : ")
print (c.b1)
c.b.a()