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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 (still don't know why) i had an additional whitespace at the beginning of the output string in one of the tests
If your "expected" and "actual" results are the same but you get an error make sure to check this