C#第七次作业1

完成以下要求：

Console.WriteLine("请输入班级人数"); int count = Convert.ToInt32(Console.ReadLine()); int i = 0; int sum = 0; while (i < count) { Console.WriteLine("请输入第{0}个人的成绩",i + 1); try { int score = Convert.ToInt32(Console.ReadLine()); sum += score; i++; } catch { Console.WriteLine("输入有误，请重新输入"); } } Console.WriteLine("{0}个人的班总成绩是{1}平均成绩是{2}", count, sum, sum / count); Console.ReadKey();