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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.
Still a duplicate.
There're already katas asking to generate some random output, and they're much better authored than this.
This test is wrong.
Testing the randomness of the result is totally inadequate.
Testing randomness is hard !