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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.
creative use of the second optional parameter. nice work
This was a fun kata. It got me to write out several different versions and dig deeper into the Array and Enumeration classes. I really enjoyed seeing all the creative solutions.