编辑代码

using System;

namespace ScoreMarks
{
    class notes
    {
        static void Main(string[]args){
            double perfect;
            Console.WriteLine("Perfect:");
            perfect=Convert.ToDouble(Console.ReadLine());

            double good;
            Console.WriteLine("Good:");
            good=Convert.ToDouble(Console.ReadLine());

            double fake;
            Console.WriteLine("Fake:");
            fake=Convert.ToDouble(Console.ReadLine());

            double note=perfect+good+fake;
            Console.WriteLine("Perfect:{0},Good:{1},Fake:{2},note:{3}",perfect,good,fake,note);
        }
    }    
}