using System;

using System.Collections.Generic;

using System.Linq;

​

public class TeamMember {

    public string name;

    public bool enabled;

​

    public TeamMember(List<string> rowValues) {

        this.name = rowValues[0];

        this.enabled = rowValues[1].ToLower() == "yes";

    }

}

​

public class Team: List<TeamMember> {

​

    public Team(List<List<string>> rows) {

        this.AddRange(rows.Where(x => !string.IsNullOrEmpty(x[0])).Select(x => new TeamMember(x)));

    }

​

    public List<TeamMember> getEnabledUsers() {

        return this.FindAll(member => member.enabled);

    }

}

​

public class StringArray2D: List<List<string>> {

    public void AddRow(params string[] row){

        this.Add(new List<string>(row));

    }

}

public class Program

{

    public static void Main()

    {

        var data = new StringArray2D();

        data.AddRow("Wilson", "Yes");

        data.AddRow("Sonny", "Yes");

        data.AddRow("Audrey", "No");

        data.AddRow("", "");

​

        var team1 = new Team(data);

​

        var team2 = team1.getEnabledUsers();

​

        Console.WriteLine("{team2.Count} Should return 2. Actual value: " + team2.Count);

    }

}