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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.
probably in some languages there are problems with the entry point to the program, but for C# this is not the case, so I would exclude sharp for this task
It was fun) respect the author
You have already decided you have either the sum of the elements or the number of elements. The tests are wrong.