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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.
It's Ruby.
Hi! It seems there is a mistake in random tests. The instructions tell us that arguments will be strings so I check with the empty? method, but on attempt I got NoMethodError because one of the arguments is a float.