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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.
True, and its more readable too.
You should have an expression in that while condition, instead of using 1. Then you could remove that first IF statement inside the loop.