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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.
How does this avoid duplicate letters?
(Python) Why is that outputs starting with "For input" and "Fot input" (the third value in the test asserts) get put out as the test result instead of what it should output, even if my function only contains return? Is it an issue with the tests?