April 2018
Beginner
456 pages
11h 20m
English
After reading lesson 18, you’ll be able to
In the previous lessons, you assumed that you knew the number of times you wanted to repeat a block of code. But suppose, for example, that you’re playing a game with your friend. Your friend is trying to guess a number that you have in mind. Do you know in advance how many times your friend will guess? Not really. You want to keep asking them to try again until they get it right. In this game, you don’t know how many times you want to repeat the task. Because you don’t know, you can’t use ...
Read now
Unlock full access