static void Main(string[] args)
{
/********************** Student*********************/
var s = new Student("1111", "Tanvir", 3.84F);
var s1 = new Student("2222", "Ahmed", 3.56F);
var s2 = new Student("3333", "Sohag", 3.72F);
var s3 = new Student("4444", "Talha", 3.43F);
var s4 = new Student("5555", "Hossain", 3.54F);
/*********************** Course*********************/
var c = new Course("C000", "OOP1");
var c1 = new Course("C111", "OOP2");
var c2 = new Course("C222", "DataStructure");
/******************** Operation***********************/
c.AddStudent(s, s1, s2, s3, s4);
c.PrintStudent();
c.RemoveStudent(s3);
Console.WriteLine("\n========= After Remove Student ======\n");
s4.PrintCourse();
c.PrintStudent();
s2.AddCourse(c, c1, c2);
s2.PrintCourse();
s2.RemoveCourse(c1);
Console.WriteLine("\n========= After Remove Course ======\n");
s2.PrintCourse();
c1.PrintStudent();
}
