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barks33 · Apr 6 '10, 11:38 PM

Hi all, im writing a caesar cipher and ive done most of the program (see below)

Code:

def decrypt(ciphertext, shift):
    decrytped_text = " "


    for letter in ciphertext:
        if letter.isalpha():
            num = ord(letter)
            num += key

            if letter.isupper():
                if num > ord('Z'):
                    num -= 26

...

googleplexx · Apr 4 '10, 03:13 AM

Hello,

I'm trying to make a simple Caesar cipher however instead of A-Z i want to also include 0-9. where 9 wraps back to A.

The best i could can do shift letters and integers independently so a string like "TESTING SHIFT Z 9" with a key of 1
becomes
"UFTUJOH TIJGU A 0"

9 wraps to 0 and Z wraps to A

here is how I did that:

Code:

    private

...

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Ceasar Cipher help

Help with a simple encryption program?