Simple example for brute force pin guessing

brute-pin.py

import time
import itertools

def brute_force_digits(pin):
    """ Uses itertools to create a cartesian product of the possible pins """
    for guess in list(itertools.product(list(range(10)),repeat=len(str(pin)))):
        if pin == int(len(str(pin))*'%d' % (guess)):
            return guess        


if __name__ == '__main__':
    """ This will start breaking down on a 8 digit pin (i7 16GB) """
    print('Provide a digit-only pin to be brute-forced guessed')
    pin = input()
    t1 = time.time()
    guess = brute_force_digits(int(pin))
    print('Found: ' + str(guess))
    t2 = time.time()
    print('Elapsed time was ' + str(t2-t1))