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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 _all_tables_present(self, txn):
 """ Checks if any tables are present in the current assets database. Parameters txn : Transaction The open transaction to check in. Returns ------- has_tables : bool True if any tables are present, otherwise False. """

        conn = txn.connect()
        for table_name in asset_db_table_names:
            if txn.dialect.has_table(conn, table_name):
                return True
        return False