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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.
The edge cases in this problem need to be modified to check is the solution has a check for n >= k or just n > k. If you write a solution that only checks for n > k and hit submit enough times, the solution will pass.
Genius