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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.
Rejecting because:
""is not a valid inputgood kata to practice TDD
Great Kata
This comment is hidden because it contains spoiler information about the solution
Yes i did but my solution is not memoized though