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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 _get_to_one_relationship_value(self, obj, column):
 """ Compute datas produced for a many to one relationship :param obj obj: The instance we manage :param dict column: The column description dictionnary :returns: The associated value """

        related_key = column.get('related_key', None)
        related = getattr(obj, column['__col__'].key)
        if related:
            if related_key is not None:
                value = self._get_formatted_val(
                    related, related_key, column
                )
            else:
                value = column['__prop__'].compile_obj(related)
        else:
            value = ""
        return value