Python - Caeser Cipher Not Giving Right Output

dtran.ru at gmail.com dtran.ru at gmail.com
Fri Mar 21 03:50:13 CET 2014


Hello good people I am working on a caeser cipher program for class. However, I ran into a problem with my outputs. Up to a certain point for example:

1. two('y', 'z')

Would give a '\x92' output instead of a 'x' output.

Currently this is my code so far:

def chartonum(ch):
    return ord(ch) - 97 

def numtochar(n):
    return chr(n + 97) 

def two(c1 , c2):
    c1 = chartonum(c1)
    c2 = chartonum(c2)
    return numtochar(c1 + c2 %26)

I am thinking I have messed up on my mod 26, however, I am at a lost where I might have went wrong in that. Any help would be appreciated.



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