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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.
This is what I was attempting but fell short. Very clever.
No need to keep track of the amount of elements in the array iteratively when there is already a method to check the length of an array.