Let us look at the Fourteenth stage of the Third course in Code.org code studio. You will need to debug the code to help the Bee to collect nectar and to make honey.There are 13 levels, 12 are coding exercises and one is QnA.
https://studio.code.org/s/course3/stage/14/puzzle/1
Below are the images of each level along with the code needed to complete that level.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Level 12
Thirteenth is the last level. It is a question with multiple answers to choose from.