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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.
just to point you on situation when there are many items, let's say 1000 of 'good' items. You could quit the loop on the third item, because the result is known, but filter will go to the end to pass all items in array.
Sorry, I didn't read instructions carefully. Rewrote the code.
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