Создать класс с именем STUDENT, содержащий следующие поля

class Program
    {
        static void Main()
        {
            List<Student> students = new List<Student>()
            {
                new Student("Alex","Math",7.4f),
                new Student("Alex","Geometry",8),
                new Student("Alex","Math",6),
                new Student("Alex","Biology",9),
                new Student("Alex","Geometry",10),
                new Student("Alex","Math",5)
            };
            foreach (Student item in students)
            {
                Console.WriteLine(item);
            }
            students = students.OrderBy(e => e.Subject).ThenByDescending(e => e.Mark).ToList();
            Console.WriteLine("Sorted:");
            foreach (Student item in students)
            {
                Console.WriteLine(item);
            }
        }
    }
    class Student
    {
        public string SurName { get; set; }
        public string Subject { get; set; }
        public float Mark { get; set; }
        public Student(string surName, string subject, float mark) => (SurName, Subject, Mark) = (surName, subject, mark);
        public override string ToString() => $"SurName - {SurName}, Subject - {Subject}, Mark - {Mark}";
    }

public Student(string surName, string subject, float mark)
{
SurName = surName;
Subject = subject;
Mark = mark;
}