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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.
no need to spend an iteration reversing
Since it is TypeScript, which is strongly typed, 'position' should have a type.
The ternary notation returning strings (even more with template literals) should be avoided for maximized clarity.