using System;
public class Program
{
public static void Main()
Student ads = new Student();
try{
ads.Gpa = 0.2;
Console.WriteLine(ads.Gpa);
}
catch(ArgumentException e){
Console.WriteLine("Get out of my sight.");
Console.WriteLine(e);
class Student
private double gpa = 0;
public double Gpa
get{return this.gpa;}
set{if(value > 4.0 || value < 0.4){
throw new ArgumentException();
}else{
this.gpa = value;