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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.
For me , this is not best practise , because you will calculate the min and max while the input array is already sorted , view my solution.
Great
Even better would just be doing return l or '{0} is prime'.format(integer) at the end.
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