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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.
all that extra code does absolutely nothing for the challenge dont worry.
guys relax, all that code has nothing to do with the actual answer, you can literally put in tons and tons of code that does nothing in your answers and have the only code that actually runs in the test anywhere in the code. all that code does absolutely nothing.