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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.
Frustrating because we don't see the test so we can't find out where the issue is in our code as easily
Make sure you are including the very last value in your code. If you are loopin up to the last value then it will not include the last value in your solution
Left my wife for this answer