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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.
In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """
Your solution does not seem to include "your points". Also '.reduce' fails if the list is empty. '.fold()' handles that case.
You are right