parameters: (self, start_x, start_y, stop_x, stop_y)
return_statement: return
docstring: :param start_x:
          :param start_y:
          :param stop_x:
          :param stop_y:
          :return:
function: def add_arrow(self, start_x, start_y, stop_x, stop_y):
          """
  
          :param start_x:
          :param start_y:
          :param stop_x:
          :param stop_y:
          :return:
          """
          self._myCanvas.add_arrow(start_x, start_y, stop_x, stop_y)
  
          return
function_tokens: def add_arrow ( self , start_x , start_y , stop_x , stop_y ) : self . _myCanvas . add_arrow ( start_x , start_y , stop_x , stop_y ) return