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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 update(self, rows):
 """ Updates records in the db """

        if len(rows) == 0:
            return

        sql, sql_args = self.get_update_sql(rows)

        # get the cursor to execute the query
        cursor = self.get_cursor()

        # execute the query
        cursor.execute(sql, sql_args)