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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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You have to return a single digit number (so you have to iterate over and over until you find that number). Read the instructions again.
I've written the code c#. It passed well in my VS but I failed in one Test case
Expected 6, But was 15.