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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.
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I don't understand the interface. Sorry.
Please use spoiler flag next time.
This comment is hidden because it contains spoiler information about the solution
It is not required to check if a == b in the first 'if' statement since it will be covered by the default 0 margin.