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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.
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Should not be 3 kyu.
3 kyu is a scandal. Furthermore this chall is broken
This should not be 3 kyu (at least for the python version)
Thank you very much :)
I like this solution a lot because it uses object oriented programming and it has a O(1) complexity.