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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.
You probably don't pass the arguments to the inner function
I'm getting the same error and I'm console logging the input and I'm not getting anything helpful.
Maybe the validation tests invoke the
split
method because they explicitly expect a string at that particular point of execution.