below are some examples of how to move the neck servos (Pan and Tilt) where we will first have the block code and immediately below the python code.
robot.pan(0)
robot.tilt(0)
robot.pan(+20)
robot.tilt(0)
robot.pan(-20)
robot.tilt(0)
robot.pan(0)
robot.tilt(+20)
robot.pan(0)
robot.tilt(-20)