8.3 8 Create Your Own Encoding Codehs Answers

Decoding rule: Subtract k (mod 26) and map back to letters.

Decide how to map characters. For simplicity, we’ll use:

Decoding rule: Split into 3-digit groups, convert each to integer, then to corresponding ASCII character.

def encode(message):
    reversed_msg = message[::-1]
    shifted = ''.join(chr(ord(ch) + 1) for ch in reversed_msg)
    return shifted
def decode(encoded):
unshifted = ''.join(chr(ord(ch) - 1) for ch in encoded)
return unshifted[::-1]
 8.3 8 create your own encoding codehs answers