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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.
Thank you for your comment. Random tests are added now.
Thank for mentioning this issue, it was a mistake as you said. It is solved now.
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No random tests
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Simple and easy way to understand way to practice.
I think this kind of simple if statements are best practices to understand how they work.
It was much smarter solution than mine. Good idea!