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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.
This should be the real first answer in "Best Pratices".
really out of box solution.
What do you think happens if a String argument is given? What is supposed to happen?