Caesar Cipher

# encoding

def caesarE(message,n):
    encode = ''
    for char in message:
        newChar = chr((ord(char)-97+n)%26+97)
        encode += newChar
    return encode

def caesarD(message,n):
    return caesarE(message,-n)

caesarE("zing",3)

caesarD("clqj",3)