task1.py

task1.py

# Task 1 - Main Menu for Tackle Hire System
# Date: September 30, 2025

def display_menu():
    """
    Function to display the main menu options
    """
    print("\n" + "="*50)
    print("TACKLE HIRE SYSTEM - MAIN MENU")
    print("="*50)
    print("1. Customer and hire details")
    print("2. Earnings report")
    print("3. Exit")
    print("="*50)


def get_valid_option():
    """
    Function to get and validate user input for menu option
    Returns: Valid option (1, 2, or 3)
    """
    while True:
        try:
            # Get user input
            option = input("\nPlease enter your choice (1-3): ")
            
            # Check if input is empty
            if option == "":
                print("Error: Input cannot be empty. Please try again.")
                continue
            
            # Convert to integer
            option_num = int(option)
            
            # Validate range
            if option_num < 1 or option_num > 3:
                print("Error: Invalid option. Please enter a number between 1 and 3.")
                continue
            
            # Return valid option
            return option_num
            
        except ValueError:
            # Handle non-numeric input
            print("Error: Invalid input. Please enter a number between 1 and 3.")


def process_option(option):
    """
    Function to process the selected menu option
    Parameters: option - the menu option selected (1, 2, or 3)
    Returns: True to continue loop, False to exit
    """
    if option == 1:
        # Option 1 selected
        print("\n>>> Customer and hire details selected")
        return True
        
    elif option == 2:
        # Option 2 selected
        print("\n>>> Earnings report selected")
        return True
        
    elif option == 3:
        # Option 3 selected - Exit
        print("\n>>> Exiting the system...")
        print("Thank you for using the Tackle Hire System!")
        return False


def main():
    """
    Main function to run the program
    """
    print("\nWelcome to the Tackle Hire System!")
    
    # Main program loop
    continue_program = True
    
    while continue_program:
        # Display menu
        display_menu()
        
        # Get valid option from user
        option = get_valid_option()
        
        # Process the option and check if should continue
        continue_program = process_option(option)
    
    print("\nProgram terminated.\n")


# Entry point of the program
if __name__ == "__main__":
    main()