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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.
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I like this as the best practice, because it only has to filter 6 items. The other solutions that don't use .slice have to itterate over the entire array.
same... this is a useless question lol
My solution passes first four tests and then I get error "Test Failed: each method does not properly support the index argument". :/