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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.
It depends on your kyu. You can't unlock solutions for SQL exercises of kyus above yours.
I'm new to C#. Where do you call the function (what line?) i.e. ConsoleWriteLine(Greet("swedish")); I'm running it on Visual Studio 2017 and I am getting error -> "the name Console.WriteLine does not exist in the current context. Please let me know how I can print answer to screen. Thanks
How does "unlock solution" work? I see the unlock solution button for a few SQL exercises but not all them.