I'm extremely novice to cryptography challenges, and more so to python. For the following course challenge:
https://preview.redd.it/epptf5u2ak8f1.png?width=1206&format=png&auto=webp&s=9c52b1f9b1d2419d6451f08feef2e733db6df32f
I've written the following program.
https://preview.redd.it/rq0s2rm4ak8f1.png?width=971&format=png&auto=webp&s=cab457b4b04374ad8e1c00e84e45be8b656dc1f6
Is there something wrong with my approach? I've watched some videos on it but I'm stuck