using System;

​

namespace Y1C4

{

    public class Program

    {

        public static void Main(string[] args)

        {

            string firstName = "Milo";

            string lastName = "Parsons";

​

            string fullName1 = firstName + " " + lastName + " teaches a class"; //string concatenation

            Console.WriteLine(fullName1);

​

            string fullName2 = $"{firstName} {lastName} is sigma"; //string interpolation

            Console.WriteLine(fullName2);

        }

    }

}

​