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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.
Thank you for your answer. I'm quite new as you can see :)
Given that the kata's description says "Only positive integers will be passed to the function (> 0 ), no negatives or zeros". Why do I get this error?
"expected [ 1, NaN, 3 ] to equal 13".
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