In <[email protected]> [email protected]
writes:
> """ crypto.py
> Implements a simple substitution cypher
> """
> alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
> key = "XPMGTDHLYONZBWEARKJUFSCIQV"
> def main():
> keepGoing = True
> while keepGoing:
> response = menu()
> if response == "1":
> plain = raw_input("text to be encoded: ")
> print encode(plain)
> elif response == "2":
> coded = raw_input("code to be decyphered: ")
> print decode(coded)
> elif response == "0":
> print "Thanks for doing secret spy stuff with me."
> keepGoing = False
> else:
> print "I don't know what you want to do..."
> i really need help on how to encrypt it im not sure how to go about doing
> that please help.
def encode(plain):
'''Return a substituted version of the plain text.'''
encoded = ''
for ch in plain:
encoded += key[alpha.index(ch)]
return encoded
--
John Gordon A is for Amy, who fell down the stairs
[email protected] B is for Basil, assaulted by bears
-- Edward Gorey, "The Gashlycrumb Tinies"
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