A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward or forward, For example the term race car is a palindrome because it spells out the same term whether it is written forward or if it is written backward.

The harmless ransom note is simply a note made of words cut out from a magazine text, Imagine that a kidnapper wants to write a ransom note and he doesn't want it to be handwritten and be traced back to him so he got a magazine and cuts off a whole word and use them to create an untraceable replica of his ransom note.

Fizz Buzz is a common interview question where a program should print numbers from 1 to 20 but for multiples of 3 it will print Fizz instead of that number and for the multiples of five print Buzz and print FizzBuzz for the numbers which is multiple of 3 and 5 at the same time.