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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.
Hi, I don't think it needs to - range of inputs is provided in the instructions.
number of pillars (≥ 1) is given to us. We have no need to check it in our code