Caesar Cipher

I am currently being tasked with programming a Caesar cipher app, as well as a decryptor I am having slight issues with my code, as my code

Caesar cipher replaces each letter in a text is by a letter a fixed number of places down the alphabet

caesar88 A plaintext was encrypted with a Caesar cipher with a shift of 7 The resulting ciphertext is: Kvu'a qbknl h ivvr if paz jvcly What was the

caesar168 A Caesar Cipher is a very simple method for encoding a message As in any cipher there is a key that is used to encrypt and decrypt messages The key in a