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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.
Haskell translation
Instead of passing three lists of the same length, why not pass a list of dictionaries with the associated keys instead? Since the three lists are supposed to represent different attributes of the same entry, the latter would be a more natural data type and (assuming it is used in production code) requires less checking for invalid input.