Author: Amy Evans Version: 1.0.0
The Caesar cipher is a substitution cipher in which each letter in the plaintext is 'shifted' a certain number of places down the alphabet.
Create an encrypt function that takes in a plain text phrase and a numeric key. Create a decrypt method that takes in encrypted text and numeric key which will restore the encrypted text back to its original form as long as correct key is supplied.
1-5-2020 9:00pm