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Knud Back1,248 Points
Why do I get an error when I write "using System;" as the first part of my code?
The Quiz as me to use "Console.ReadLine();" and not "System.Console.ReadLine();". In that case I would expect that defining the namespace "System" would be requeried. But the quiz will not accept my answer when start the code by writing "using System;".
Simon Coates28,694 Points
It may be inserting your code into a main method behind the scenes. That main method may reside in a class that already includes the line that provides you access to System.Console. A lot of the quizzes ask you for loose code, rather than making you write the complete code structure (eg. class, namespace etc), and it can make things confusing.