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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.
For some reason, one of the (somewhat) recent updates to the Codewars platform stopped using the "provided" code during Example Test Cases. Since this is a problem with Codewars, the kata will remain as is.
As a workaround, you can add your own Triangle class to your test case code.
Sure. Thanks,