There are 15 levels in this Stage. 13 levels are coding exercises and two are Q & A. In the following images you will find code for completing the level. Some of the levels may have multiple solutions. So don't be worried. Whichever way you complete a level is fine. However shorter coding is always preferred.
https://studio.code.org/s/course2/stage/13/puzzle/13
The last Two levels are Question and Answers