HQ-day3 C#语句实例②成绩甄别

Console.Write("请输入学生姓名：");
string name = Console.ReadLine();
Console.Write("请输入学生成绩：");
double grade = double.Parse(Console.ReadLine());
if (grade >= 0 && grade < 100)
{
if (grade == 100)
{
Console.WriteLine("恭喜你" + name + "，满分通过");
}

else if (grade >= 80)
{
Console.WriteLine("" + name + "，你很优秀，继续保持");
}
else if (grade >= 60)
{
Console.WriteLine("成绩良好");
}
else if (grade >= 50)
{
Console.WriteLine("" + name + "，就差那么一点，继续努力");
}
else if (grade < 50)
{
Console.WriteLine("" + name + ",你是笨蛋么");
}
}
else
{
Console.WriteLine("输入有误");
}