Hard csharp

file handling exercise #13

Problem

Practice file-handling pattern with value 17.

Hints

Ready — edit the code above and click Run.

using System;

class Program
{
    static void Main()
    {
        int x = 17;
        Console.WriteLine(x);
    }
}

Try solving on your own first, then reveal the official answer.

Extend starter into full file-handling solution.

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