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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.
why? I don't see a picture of you there.
I like the spread operator in you solution!
This comment is hidden because it contains spoiler information about the solution
i think the ternary operator in your return is not needed.
or is this maybe "faster" then the math operations?