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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.
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This one is awful. Not only it's stupid to have 5 identical columns, but also the tests pass, but there's an error while submitting and that error is completely unreadable.
@BayoAde but there are people voting for this to be an example of "best practices" even though the "clever" button is right there too.
But in this case reading it as "just words" is misleading, because it suggests that you somehow return an element from the list. For this reason I think that a simple if statement is more readable.