I somehow clicked through the first screen/lesson/task/whatever for do/while loops without paying attention since it didn't require you to write any code. Now I'm lost and have no idea what I'm supposed to do. Am I missing a really obvious way to review previous screens? I can click through and review the earlier sections but as soon as I click through into the "while loops" unit it takes me straight to the furthest screen I've reached. I want to review what I'm supposed to have just learned -- it seems like a terrible setup.
You can just go back by clicking on the bottom right corner, and checking the lesson you want to go to..