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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.
toFixed return string, you don't need to use toString
This is how I had to guess that you need to use a ready-made dictionary of nicknames. The task is very poorly set.
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