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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 author asks for "Error 404" in the answer, but based on the tests it should be something else.
This comment is hidden because it contains spoiler information about the solution
There is an issue with the given test.
The taks info should contain the function name the author wants.