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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.
Your code does not throw an error / exception when any of the given inner array of the 2-dimensional array is not of length 2. One of such cases being: