clever solution!

Hello! I've also noticed that a lot of solutions may not correlate with the kata level and the answers you expect to see and understand after you submit your own one (like using map, reduce and other stuff in the most basic katas). Probably, that's due to the fact that 7-8 kata level is still a good way to practice a lot when you learn more complicated topics. I just try to pay less attention to the solutions with the syntax I'm not familiar with yet and instead concentrate on the solutions that seem more familiar. If you scroll through all the solutions, you'll probably find the one that would help you understand the logic behind the solution