Chapter 1 – Making Paper Cryptography Tools 15the work for a large amount of text in less than a second! But we need to learn how to instruct
(that is, program) the computer to do the same steps we just did.
We will have to be able to speak a language the computer can understand. Fortunately, learning a
programming language isn’t nearly as hard as learning a foreign language like Japanese or
Spanish. You don’t even need to know much math besides addition, subtraction, and
multiplication. You just need to download some free software called Python, which we will cover
in the next chapter.