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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.
This answer doesn't have the array brackets but the other 2 answers on top have it. I believe the question said to have the brackets.
definetly best one, very flexible
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Why recursive on the first place?
Such an inefficient solution for such a simple task. A solution with a for-loop works around 10x faster.
Good ol' recursive function get's first place again! :)
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