code: def flick(self, xspeed, yspeed):
          
          self._actions.append(lambda: self._driver.execute(
              Command.FLICK, {
                  'xspeed': int(xspeed),
                  'yspeed': int(yspeed)}))
          return self
docs: Flicks, starting anywhere on the screen.
  
          :Args:
           - xspeed: The X speed in pixels per second.
           - yspeed: The Y speed in pixels per second.