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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.
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10 is not a prime number.
could anybody explain https://www.codewars.com/kata/reviews/59b8d3a6037947ccd80009d6/groups/59c6d6daa7802b2453001f80 this solution??
I'm really curious...
Could anybody explain this logic??
I cannot understand the equation.
Using library...???? that's something like cheating.