Can you think like a coder and solve this riddle?

This is episode 1 of the animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles.

Watch the TedEd video below and see if you can solve the riddle without seeing the answer.

The question to answer: What instructions will allow Hedge to open any door efficiently?

When you finish the video you can share what you learned with iamtheCODE. 

Or share a video response with the team by tagging iamtheCODE using the hashtag #SDG4