Caesar Cipher with an encryption key

This is a code I developed when I was 16 and has been recently revamped to be better, easier to read and more optimised than before

There are 3 files, Cipher.py, ekey.txt and words.txt. words.txt is for what you want encrypting, ekey.txt is for your encryption key and Cipher.py is the code.

The code works by converting the letters in ekey and words into numbers, then adding them together and finally converting them back into letters.

So the word "python" with the encryption key of "code" would convert "python" to "snxmrc".

This code can decrypt it too with the correct encryption key

This code will remove spaces and disallow numbers or symbols