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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.
first + last name
-> nope, there is a space in between => give rather a complete example.Note: sounds very much like a duplicate, too... :o
No random tests. It should be stated in the description that the result array should be sorted from the oldest to the youngest.