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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.
No, that sample test should be removed. The control function returns
"VALID"with that input.need more than one number. should be more clear in the description.
Yeah I'm wondering this too.