Error message saying variable not defined when it is. Python

Question

I am trying to create a simple encryption program in python using functions but am having a problem where I get an error message when I run the program saying (\'msgReversed\' i

Answer 1

Change your last few lines from this:

reverseMsg(plaintext)
(cipher)=encript(msgReversed,k)

To this:

(cipher)=encript(reverseMsg(plaintext),k)