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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.
Because some are paid by amount of lines, so checks you can sell as maybe necessary come in handy. Also giveaway for this is 3 lines for the test instead of one.
Thank you for your comment.
I put this solution to solve the kata only and didn't think about best solutions.
Your piece of code is really clear and I already put it in my toolbox. (y)
I'll try to use your solution in the next time.