In [28]:

    

import pickle


#increment couter
def incrementCounter():
    counter = pickle.load(open('counter','rb'))
    counter['counter']+=1
    pickle.dump(counter,open('counter','wb'))
    return counter['counter']
    

def readCounter():
    return pickle.load(open('counter','rb'))


def resetCounter():
    try:
        os.system('rm counter')
    except:
        pass
    
    counter = 0
    pickle.dump(counter,open('counter','wb'))
    return 0


    

In [27]:

    

resetCounter()


    

    
Out[27]:





0

In [23]:

    

incrementCounter()


    

    
Out[23]:





1

In [24]:

    

incrementCounter()


    

    
Out[24]:





2

In [29]:

    

readCounter()


    

    
Out[29]:





0

In [ ]: