def print_main_menu(menu): """ Given a dictionary with the menu, prints the keys and values as the formatted options. Adds additional prints for decoration and outputs a question "What would you like to do?" """ if __name__ == "__main__": the_menu = {} # TODO 1: add the options from the instructions opt = None while True: # print_main_menu(...) # TODO 1: uncomment, define the function, and call with the menu as an argument print("::: Enter an option") opt = input("> ") if opt == ...: # TODO 2: make Q or q quit the program print("Goodbye!\n") break # exit the main `while` loop else: if ...: # TODO 3: check of the character stored in opt is in the_menu dictionary print(f"You selected option {opt} to > {the_menu[opt]}.") else: print(f"WARNING: {opt} is an invalid option.\n") • use a dictionary to store menu items• use a function to print formatted menu options• use a while loop to create an interactive program• check the user input using if branches• check that an option is correct (verify that a dictionary key exists)• use break to interrupt the program executionIntroductionIn this lab, we will be building an application that uses an interactive menu.Let's say our high-level menu has the following options:L : ListA : AddU : UpdateDDeleteS: SaveR RestoreQ: QuitThese key-option mappings will be stored in a dictionary in the main program.print_main_menu() functionWrite the print_main_menu() that accepts a dictionary of keys-options like the one shown above and prints the menu options stored inthat dictionary in an easy-to-read format. Below is an example of the result of calling print_main_menu() (notice the question it asks atthe top - it is part of the function output):ExampleGiven the menu with the following options as mentioned above, the call to print_main_menu (main_menu) will output: Given the menu with the following options as mentioned above, the call to print_main_menu(main_menu) will output:========What would you like to do?ListA - AddU - UpdateDDeleteS Save the dataR Restore data from fileQ- Quit this program=====Program flow==============The expected program flow is:• The main program starts with a menu of options given above• Loop indefinitely (while the user didn't choose to exit):o Print the menu to the usero Get the user's choice from input()oCheck if the user's choice is a valid option in the menu (is it one of the dictionary keys?).■ If the input is a valid option, print the option that user selected■ If not, simply continue from the top of the loopo If the user entered 'Q', break the while loopInstructions1. Fix TODO 1: Add the options from the instructions to the menu dictionary inside the main program.2. Fix TODO 2: Implement the "Quit" option, breaking from the while loop if the user input is an uppercase OR lowercase "Q".3. Fix TODO 3: Check whether a provided option is a valid menu option.Each time a valid menu option is provided, the program "echoes" it back to the user as follows:print (f"You selected option {opt} to > {the_menu [opt]}.")Hints• Make sure you do not hard-code the menu options in your functions - the options need to be retrieved from the dictionary provided asa parameter to the function.

We need to write a Python code for the given scenario.

Given the menu with the following options as mentioned above, the call to print_main_menu(main_menu) will output: ======= ====== What would you like to do? L - List A - Add U - Update D Delete S Save the data R Restore data from file Q- Quit this program ========================== Program flow The expected program flow is: The main program starts with a menu of options given above Loop indefinitely (while the user didn't choose to exit): o Print the menu to the user o Get the user's choice from input() o Check if the user's choice is a valid option in the menu (is it one of the dictionary keys?). ■ If the input is a valid option, print the option that user selected ■ If not, simply continue from the top of the loop o If the user entered 'Q', break the while loop Instructions 1. Fix TODO 1: Add the options from the instructions to the menu dictionary inside the main program. 2. Fix TODO 2: Implement the "Quit" option, breaking from the while loop if the user input is an uppercase OR lowercase "Q". 3. Fix TODO 3: Check whether a provided option is a valid menu option. Each time a valid menu option is provided, the program "echoes" it back to the user as follows: print (f"You selected option (opt) to > {the_menu [opt]}.") Hints • Make sure you do not hard-code the menu options in your functions - the options need to be retrieved from the dictionary provided as

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...