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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_changed_diff(self, blueprint, schema):
 """ Get the table diffrence for the given changes. :param blueprint: The blueprint :type blueprint: Blueprint :param schema: The schema :type schema: orator.dbal.SchemaManager :rtype: orator.dbal.TableDiff """

        table = schema.list_table_details(
            self.get_table_prefix() + blueprint.get_table()
        )

        return Comparator().diff_table(
            table, self._get_table_with_column_changes(blueprint, table)
        )