template method pattern not only do you have to pass in the arguments needed to execute the specific functionalitybut also you have to pass around the name of the service relevant to the current user of the system it is also obvious from our previous discussions that this way of building system of any non-trivial scale will be disaster in the long run what options are leftsince this is book on design patternswe want to come up with solution that uses design patterns to solve the problem in question-- solution that is easy to maintainupdateand extend we want to be able to add new third-party providers without any alterations to the existing code we could try to implement the strategy pattern for each of the three functionsas followsdef sync_stock_items(strategy_func)strategy_func(def send_transaction(transactionstrategy_func)strategy_func(transactiondef stock_sync_strategy_system ()print("running stock sync between local and remote system "print("retrieving remote stock items from system "print("updating local items"print("sending updates to third party system "def stock_sync_strategy_system ()print("running stock sync between local and remote system "print("retrieving remote stock items from system "print("updating local items"print("sending updates to third party system "def stock_sync_strategy_system ()print("running stock sync between local and remote system "print("retrieving remote stock items from system "print("updating local items"print("sending updates to third party system "def send_transaction_strategy_system (transaction)print("send transaction to system { ! }format(transaction)def send_transaction_strategy_system (transaction)print("send transaction to system { ! }format(transaction)