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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 flat_data(self):
 """ Function to pass our modified values to the original ones """


        def flat_field(value):
            """
            Flat item
            """
            try:
                value.flat_data()
                return value
            except AttributeError:
                return value

        modified_data = self.__modified_data__ if self.__modified_data__ is not None else self.__original_data__
        if modified_data is not None:
            self.__original_data__ = [flat_field(value) for value in modified_data]
        self.__modified_data__ = None