pickle_example.py

#!/usr/bin/env python

import pickle

def pow2(number):
    return number * number

if __name__ == '__main__':
    # Serializing (you could also save this to a file)
    serialized_value = pickle.dumps(pow2)

    # The value is now 'kfiom4pow2m49' ... some random crap (serialized value)
    print('Value now is: {0}'.format(serialized_value))

    # Desirializing
    pow3 = pickle.loads(serialized_value)

    # Is gonna be 4
    print('pow3(2) = {0}'.format(pow3(2)))