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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.
Hi,
Not an issue, a question (that "error" comes actually from your code, not from the kata itself).
That comes from the assertion functions which are comparing your output to the expected value which isn't a numpy object. Convert it to a reguler python object, and it should resolve that problem.
Cheers