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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 was probably one of the simplest ways to do it without digging into regex. nice job.
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Nice blend of using plain simple logic and then applying the Math.abs() method.
Agreed
readable and good