static void Main(string[] args) { var studentName = Student.GetStudents().Select(name => name.Name); var meritName = Student.GetMeritStudent().Select(name => name.Name); var notMerit = studentName.Except(meritName); Console.WriteLine("Students that are not part of Merit list: \n"); foreach (var name in notMerit) { Console.WriteLine($"Student Name: {name}"); } Console.WriteLine("Students Details: \n"); var studentDetails = from students in Student.GetStudents() from subjects in students.Subjects select new { students.Id, students.Name, students.TotalMarks, subjects.SubjectName, subjects.Marks }; foreach (var student in studentDetails) { Console.WriteLine($"Id: {student.Id}"); Console.WriteLine($"Name: {student.Name}"); Console.WriteLine($"Total Marks: {student.TotalMarks}"); Console.WriteLine($"Subject Name: {student.SubjectName}"); Console.WriteLine($"Marks: {student.Marks}"); Console.WriteLine(""); } Console.WriteLine("Students whose total marks are higher than 265: \n"); var totalMarks = from students in Student.GetStudents() where students.TotalMarks > 265 select new { students.Id, students.Name, students.TotalMarks }; foreach (var student in totalMarks) { Console.WriteLine($"Id: {student.Id}"); Console.WriteLine($"Name: {student.Name}"); Console.WriteLine($"Total Marks: {student.TotalMarks}"); Console.WriteLine(""); } Console.WriteLine("Students whose marks in each subject are higher than 80: \n"); var eachSubject = from students in Student.GetStudents() where students.Subjects.All(marks => marks.Marks > 80) select new { students.Id, students.Name }; foreach (var student in eachSubject) { Console.WriteLine($"Id: {student.Id}"); Console.WriteLine($"Name: {student.Name}"); Console.WriteLine(""); } }