code: def dumps(self):
          
  
          string = Command('addplot', options=self.options).dumps()
  
          if self.coordinates is not None:
              string += ' coordinates {%\n'
  
              if self.error_bar is None:
                  for x, y in self.coordinates:
                      # ie: "(x,y)"
                      string += '(' + str(x) + ',' + str(y) + ')%\n'
  
              else:
                  for (x, y), (e_x, e_y) in zip(self.coordinates,
                                                self.error_bar):
                      # ie: "(x,y) +- (e_x,e_y)"
                      string += '(' + str(x) + ',' + str(y) + \
                          ') +- (' + str(e_x) + ',' + str(e_y) + ')%\n'
  
              string += '};%\n%\n'
  
          elif self.func is not None:
              string += '{' + self.func + '};%\n%\n'
  
          if self.name is not None:
              string += Command('addlegendentry', self.name).dumps()
  
          super().dumps()
  
          return string
docs: Represent the plot as a string in LaTeX syntax.
  
          Returns
          -------
          str