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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.
i think there are some cases where the solution doesn't give the desired 0.00 format result. One of these is 59 as the parameter.
i tried
return String.format("%.2f", value);