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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.
Thanks, added one more test as You suggest.
I suggest adding a list which starts with a number other than 1 to the tests. I spotted at least one solution that would be obsolete if this test were included.