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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 _execute_transactions(self, address):
 """This function executes multiple transactions on the address :param address: Address of the contract :return: """

        for i in range(self.transaction_count):
            self.time = datetime.now()
            log.info(
                "Starting message call transaction, iteration: {}, {} initial states".format(
                    i, len(self.open_states)
                )
            )
            for hook in self._start_sym_trans_hooks:
                hook()

            execute_message_call(self, address)

            for hook in self._stop_sym_trans_hooks:
                hook()