with open('communication_vBZvcbm.txt', 'rb') as f: all_bytes = f.readlines() all_bytes = all_bytes[0] + all_bytes[1] for n in range(1,128): print "\033c" print "==== try number " + str(n) + " ==== \n\n" dec = [0] * len(all_bytes) for i in range(len(all_bytes)): dec[i] = (ord(all_bytes[i]) + n) % 128 print(''.join([chr(x) for x in dec])) raw_input()