Sequence and terms

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
		
public class TermData
{
	public int Sequence { get; set; }
	public string Terms { get; set; }
}

public class Program
{
	public static void Main()
	{
		var list = new List<TermData>();
		list.Add(new TermData() { Sequence = 1438690, Terms = "weather" });
		list.Add(new TermData() { Sequence = 1438690, Terms = "the elements" });
		list.Add(new TermData() { Sequence = 9672410, Terms = "dogs" });
		list.Add(new TermData() { Sequence = 9672410, Terms = "cats" });

		var lookup = list.ToLookup( item => item.Sequence, item => item.Terms);
		
		foreach (var item in lookup)
		{
			Console.WriteLine("Sequence {0} has these terms: {1}", item.Key, string.Join(",", item));
		}
		
	}
}