static void Main(string[] args)
{
var twoPinPlug = new TwoPinPlug();
var threePinSocket = new ThreePinSocket();
var adapter = new Adapter(threePinSocket);
adapter.PlugIntoTwoPinSocket();
}
public Adapter(ThreePinSocket threePinSocket)
{
_threePinSocket = threePinSocket;
}