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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'd add a test case that checks whether
thisis preserved in the wrapped function so that you can alsowrapmethods.This comment is hidden because it contains spoiler information about the solution