using System.Collections.Generic;

using System;

​

public class Program

{

    public class Person

    {

        public string Name { get; set; }

        public List<ClassResult> Results { get; set; }

    }

​

    public class ClassResult

    {

        public string ClassName { get; set; }

        public double Result { get; set; }

    }

​

    public static class Classes

    {

        public const string Mathematics = "Mathematics";

        public const string Literature = "Literature";

        public const string Sports = "Sports";

    }

​

    public static void Main()

    {

        var people = new List<Person>(new[]

        {

            new Person

            {

                Name = "Peter",

                Results = new List<ClassResult>(new []

                {

                    new ClassResult(){ ClassName = Classes.Mathematics, Result = 5.6},

                    new ClassResult(){ ClassName = Classes.Literature, Result = 4.5},

                    new ClassResult(){ ClassName = Classes.Sports, Result = 5.3}

                })

            },

            new Person

            {

                Name = "Paul",

                Results = new List<ClassResult>(new []

                {

                    new ClassResult(){ ClassName = Classes.Mathematics, Result = 4.7},

                    new ClassResult(){ ClassName = Classes.Literature, Result = 4.5},

                    new ClassResult(){ ClassName = Classes.Sports, Result = 5.3}

                })

            }

        });

        //Write your code here

        var result = "i am a result which is still empty";

​

​

        Console.WriteLine($"{result}");

    }

}

​