python - summary with code on Python pickling

In this topic, we are going to discuss one of the python major benefit. that is picking, which gives you the ability to pickling something to a file and later unpickling that (object forms) back from the file.
let's see how the picking is working .
here is the example.

'''
Created on 2012-11-12

@author: Administrator
file: PickleOperation.py
description: this file will demonstrate the use of the the pickle module 
pickling is the major benefit in python, use this ability
'''

import pickle

def pickle_common():
    # it used to work in the  pyton 2.x version : http://docs.python.org/2/howto/unicode.html
    # path = u"state" 
    # always remember to open the file with the same encoding or binary mode, otherwise, the pickle module won't work propperly
    # file = open("state".encode('utf-8'), 'wb')
    file = open("state", 'wb')
    a = "string"
    b = 1
    c  = (1.0, 2.0)
    data = {'a': a, 'b': b, 'c': c}
    pickle.dump(data, file)
    file.close()
    # restore the pickled data
#    file = open("state", 'rb')
    file = open('state', 'rb')
    data = pickle.load(file)
    file.close()
    print("*** after pickling...")
    print(data)
    
    
if __name__ == '__main__':
    pickle_common()