Swift Playgrounds for iPad Programming Walkthrough and Solution. Sometimes the videos are long because I have to spend time thinking about how to solve the level. Other times, it takes a few attempts and wrong turns before arriving at the solution. If you are in a hurry, feel free to jump to the end.
Try to solve the level on your own before looking at my solution. It's here to help you when you get stuck and to allow you to compare your solution to someone else's. For all but the simplest puzzles, there's likely many possible solutions.