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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def dumps(self):
 """Represent the plot as a string in LaTeX syntax. Returns ------- str """


        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