Also, supplement your program code such that the lengths of the plaintext message and the decoded messages are displayed, such as in the messages boxes that follow. Extra Credit: For extra credit, try to create a different secret agent type message from the existing plaintext message or by using your own plaintext message Also, supplement your program code such that the lengths of the plaintext message and the decoded messages are displayed, such as in the messages boxes that follow. Extra Credit: For extra credit, try to create a different secret agent type message from the existing plaintext message or by using your own plaintext message