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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 like how you solved it. But I guess in the end you can return just false intsead of comparing last elements.
Can anyone please explain why do we need that line with ternary operator here?