static void Main(string[] args)
{
Developer dev = new Developer();
dev.Name = "Bob";
dev.Role = "Team Leader";
dev.PreferredLanguage = "C#";
Developer devCopy = (Developer)dev.Clone();
devCopy.Name = "Sue";
Console.WriteLine(dev);
Console.WriteLine(devCopy);
Typist typist = new Typist();
typist.Name = "John";
typist.Role = "Doe";
typist.WordsPerMinute = 120;
Typist typistCopy = (Typist)typist.Clone();
typistCopy.Name = "Tim";
typistCopy.WordsPerMinute = 115;
Console.WriteLine(typist);
Console.WriteLine(typistCopy);
Console.ReadLine();
}