def caesarencrypt (msg, key):if msg is not str:raise TypeError("The passed msg parameter must be a string.")if key is not int:raise TypeError("The passed key parameter must be an integer.")alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"msg = msg.upper()encryptedtext = ""for c in msg: if c in alpha: index = alpha.index (c) index = (index key) % len (alpha) encryptedtext = encryptedtext alpha[index] else: encryptedtext = encryptedtext creturn encryptedtextmessage = inp