public MoveCommand(Robot robot)
     : base(robot)
 {
 }
 public RotateRightCommand(Robot robot)
     : base(robot)
 {
 }
 public RobotCommandBase(Robot robot)
 {
     _robot = robot;
 }
 public RotateLeftCommand(Robot robot)
     : base(robot)
 {
 }
 public TakeSampleCommand(Robot robot)
     : base(robot)
 {
 }