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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.
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totally agree....this kata makes me think a lot
Def should be level 5-6 at the min. Good kata though.
I'd agree.. It's not a "simple string reversal"... which would be 7-kyu worthy. The task at hand here easily bumps it up 2-3 levels of difficulty
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Read this, your code returns a tuple of strings (the first value is wrong btw), it should return a string, read the description again.