Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Best solution here from a reality perspective, this kata feels like a introduction to writing your own programming language and you have the solution here that resembles that mostly. Great job!
Так ты на каждой итерации, каждый раз будешь вычислять Object.keys