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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.
a bit too late for that now, with dozens of languages and thousands of completions
Random tests have actual and expected flipped, could you fix it?
There are even 3kyu katas much easier than this...
I think 5 kyu is fine.
It was downranked.