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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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not really if you recently graduated from middle or high school. I've solved it by scratching my brain to the some basic math.
we all a little bit overwhelming by totally different tasks so we might forgot how to solve such ones.
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as in description: "The input will be a non-negative integer."
it will pass on 00.0.000.0 but should not