code: def set_window_size(self, width, height, windowHandle='current'):
          
          if self.w3c:
              if windowHandle != 'current':
                  warnings.warn("Only 'current' window is supported for W3C compatibile browsers.")
              self.set_window_rect(width=int(width), height=int(height))
          else:
              self.execute(Command.SET_WINDOW_SIZE, {
                  'width': int(width),
                  'height': int(height),
                  'windowHandle': windowHandle})
docs: Sets the width and height of the current window. (window.resizeTo)
  
          :Args:
           - width: the width in pixels to set the window to
           - height: the height in pixels to set the window to
  
          :Usage:
              ::
  
                  driver.set_window_size(800,600)