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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.
Cool kata! I think you should work on the introduction
text. Make it more fluid maybe?
There is a small string formating error in python's training test.
Everything else seems fine to me, nice description and exemple. good job!
Nice Kata! I would add more informations about the timing requirements ex: O(1) , maybe the average time by x executions? So we know from the start that we must implement something optimized and it would ease testing.