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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.
she is right they are broken even when clicking attempt, my code is running perfectly on vsCode but here they throw erros like every is not a function, and poor testing cases
Just click 'Attempt'.