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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.
Ternary operators are very easy to read. The question mark is very good and it isn't clogging the screen. Simple and easy to digest.
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Other solutions use that as well.