# example of iterating a nonce in a hashing algorithm's input import hashlib text = "I am Satoshi Nakamoto" for nonce in xrange(20): # iterate nonce from 0 to 19 input = text + str(nonce) # add the nonce to the end of the text hash = hashlib.sha256(input).hexdigest() # calculate the SHA-256 hash of the input (text+nonce) print input, '=>', hash # show the input and hash result