In this article we will look at the Seventh stage of the fourth course in code.org Code studio. It is called Play lab Variables. We will learn how to use variables in the code. If you already have an account on Code.org you can access this stage in code studio from the link below.
Try to solve all the levels in this stage. If you get stuck at any level, you can see the solution on this page
Below are the completed images of each level along with the code needed to complete that level.