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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.
I see. Thank you. Like Daotar, I misunderstood the instructions.
I tried two solutions in JavaScript that I was confident should work. Both worked for every test case except the second-to-last basic test case. I finally looked at the test cases and it turns out the second-to-last basic test case has an error. It asserts that the result should be false, but it should be true.