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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.
Wonderful!
It's "-" that can't use
Thank you for answer, I'm clear now :)
Tere may a bug in testcase, like:
Testing for [2, 452, 5, 8, 92, 46, 3, 68]
It should work for random inputs too: 85 should equal 84
the sum of [2, 452, 5, 8, 92, 46, 3, 69] equal to 676, and the average is 84.5.