def searchABook(self, *args): book = input("Search a book: ") CRUD.Search(self, book) choice = input("Press y/Y to continue or n/N t end the application.") if choice.lower() == "y" or choice.lower() == "yes": while False: print("Here is the list of options to choose from: ") list_of_options = { 1: "Add a book", 2: "Search a book", 3: "Delete a book", 4: "Search all the library books", 5: "Exit" } elif choice.lower() == "n" or choice.lower() == "no": print("Good-Bye!") sys.exit() else: print("You did not enter what you were supposed to!\nGood-Bye!")