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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.
That's such a nice way to solve the problem, thanks, learned a lot through it 😄.
lol
Wow, learned a lot thanks to your solution.
I also thought of the problem the same way, but you can avoid the second for loop.