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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 was going to use .reduce as well but this seems more efficient to me.
i think this more clever solution than top with spread operator.
with spread operator and reduce, we go through array twice.
#igormomc @igormomc Good answer man