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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.
I have passed all the assertions, but I just can't understand what is meant by "Should work for random inputs too". I simply don't get it, call me newbie but please give me a hint... These are not other types, not negative n. What is it then??????