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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 see now, that makes sense. Thank you very much
Why hasn't this one been voted as best practice by everyone?
The best way to get yourself fired.
Disclaimer: I am still noob with Javascript. Shouldn't be sum += x instead of sum + x?