code: def set_window_position(self, x, y, window_handle='current'):
          
          self._execute(Command.SET_WINDOW_POSITION, {
              'x': int(x),
              'y': int(y),
              'window_handle': window_handle})
docs: Sets the x,y position of the current window.
  
          Support:
              Web(WebView)
  
          Args:
              x(int): the x-coordinate in pixels.
              y(int): the y-coordinate in pixels.
              window_handle(str): Identifier of window_handle,
                  default to 'current'.
  
          Returns:
              WebDriver Object.