have the function CaesarCipher(str, num) take the str parameter and perform a Caesar Cipher num on it using the num parameter as the numing number. A Caesar Cipher works by numing all letters in the string N places down in the alphabetical order (in this case N will be num). Punctuation, spaces, and capitalization should remain intact. For example if the string is "Caesar Cipher" and num is 2 the output should be "Ecguct Ekrjgt". more on cipher visit here