code: def scroll(self, xoffset, yoffset):
          
          self._actions.append(lambda: self._driver.execute(
              Command.TOUCH_SCROLL, {
                  'xoffset': int(xoffset),
                  'yoffset': int(yoffset)}))
          return self
docs: Touch and scroll, moving by xoffset and yoffset.
  
          :Args:
           - xoffset: X offset to scroll to.
           - yoffset: Y offset to scroll to.