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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.
I used reduce. Look at my solution if you'd like to see an example.
How would you use reduce in this case?
Your comment made me curious, so I just tried the kata. Funny enough, my solution looks almost the same :D.
Thank you! I appreciate it! // hun: Kösz!;)