LINQ QUERY

using System;
using System.Collections.Generic;
using System.Linq;

class Student
{
    public int Id { get; set; }
    public string Name { get; set; }
    public int Grade { get; set; }
}

class Program
{
    static void Main()
    {
        // Create a list of students
        List<Student> students = new List<Student>
        {
            new Student { Id = 1, Name = "Alice", Grade = 85 },
            new Student { Id = 2, Name = "Bob", Grade = 90 },
            new Student { Id = 3, Name = "Charlie", Grade = 75 },
            new Student { Id = 4, Name = "David", Grade = 88 }
        };

        // Use LINQ query syntax to get students with grades >= 80
        var highGradesQuery =
            from student in students
            where student.Grade >= 80
            select student;

        // Execute the query and display the results
        foreach (var student in highGradesQuery)
        {
            Console.WriteLine($"Id: {student.Id}, Name: {student.Name}, Grade: {student.Grade}");
        }
    }
}