# function to check for yes or no input
def string_checker(question, valid_ans):
    while True:

        error = f"enter a valid option from {valid_ans}"

        user_response = input(question).lower()

        for item in valid_ans:
            # check if user response is a valid answer
            if item == user_response:
                return item

            elif user_response == item[0]:
                return item

        print(error)
        print()


# function to check string is not empty
def not_blank(question):

    error = "Enter a name"
    while True:

        user_name = input(question)

        if user_name != '':
            return user_name
        else:
            print(error)


# variables
yes_no = ["yes", "no"]
deliv_option = ["delivery", "pick up"]


# Welcome message
print("<---Welcome to Puppet Pizzaria--->")

print()
delivery = string_checker("Is this order to pick or delivery? ", deliv_option)

if delivery == "delivery":
    print("There is a $10 surcharge for delivery")

# Do you want the Menu?

# Ask for name and details
name = not_blank("Enter your name ")

print(f"Hello {name} ")

print()
want_menu = string_checker("Would you like the menu? ", yes_no)

if want_menu == "yes":
    print("|---------------𝙼𝙴𝙽𝚄---------------|")
    print("1   - Ham & Cheese Pizza")
    print("   - Regular (20 cm): $8.99")
    print("   - Large (30 cm): $12.99")
    print("   - XL (35 cm): $14.99")
    print()

    print("2. Cheese Lovers Pizza")
    print("   - Regular (20 cm): $8.99")
    print("   - Large (30 cm): $12.99")
    print("   - XL (35 cm): $14.99")
    print()

    print("3. Supreme Pizza")
    print("   - Regular (20 cm): $9.99")
    print("   - Large (30 cm): $14.99")
    print("   - XL (35 cm): $17.99")
    print()

    print("4. Meat Lovers Pizza")
    print("   - Regular (20 cm): $10.99")
    print("   - Large (30 cm): $15.99")
    print("   - XL (35 cm): $18.99")
    print()

    print("5. Veggie Supreme Pizza")
    print("   - Regular (20 cm): $9.99")
    print("   - Large (30 cm): $14.99")
    print("   - XL (35 cm): $17.99")
    print()

    print("6. BBQ Chicken Pizza")
    print("   - Regular (20 cm): $10.99")
    print("   - Large (30 cm): $15.99")
    print("   - XL (35 cm): $18.99")
    print()

    print("7. Hawaiian Pizza")
    print("   - Regular (20 cm): $9.99")
    print("   - Large (30 cm): $13.99")
    print("   - XL (35 cm): $16.99")
    print()

    print("8. Margherita Pizza")
    print("   - Regular (20 cm): $8.99")
    print("   - Large (30 cm): $12.99")
    print("   - XL (35 cm): $14.99")
    print()

    print("9. Buffalo Chicken Pizza")
    print("   - Regular (20 cm): $10.99")
    print("   - Large (30 cm): $15.99")
    print("   - XL (35 cm): $18.99")
    print()

    print("10. Mediterranean Pizza")
    print("    - Regular (20 cm): $10.99")
    print("    - Large (30 cm): $15.99")
    print("    - XL (35 cm): $18.99")
    print()

    print("11. Pepperoni Lover's Pizza")
    print("    - Regular (20 cm): $9.99")
    print("    - Large (30 cm): $14.99")
    print("    - XL (35 cm): $17.99")
    print()

    print("12. Ultimate Cheese Lover's Pizza")
    print("    - Regular (20 cm): $8.99")
    print("    - Large (30 cm): $12.99")
    print("    - XL (35 cm): $14.99")
    print()

    print("13. Super Supreme Pizza")
    print("    - Regular (20 cm): $10.99")
    print("    - Large (30 cm): $15.99")
    print("    - XL (35 cm): $18.99")
    print()

    print("14. Veggie Lover's Pizza")
    print("    - Regular (20 cm): $9.99")
    print("    - Large (30 cm): $14.99")
    print("    - XL (35 cm): $17.99")
    print()

    print("15. Chicken Supreme Pizza")
    print("    - Regular (20 cm): $10.99")
    print("    - Large (30 cm): $15.99")
    print("    - XL (35 cm): $18.99")
    print()

    print("16. Spinach Alfredo Pizza")
    print("    - Regular (20 cm): $9.99")
    print("    - Large (30 cm): $13.99")
    print("    - XL (35 cm): $16.99")
    print()

    print("17. Italian Sausage Pizza")
    print("    - Regular (20 cm): $9.99")
    print("    - Large (30 cm): $13.99")
    print("    - XL (35 cm): $16.99")
    print()

    print("18. Bacon Spinach Alfredo Pizza")
    print("    - Regular (20 cm): $10.99")
    print("    - Large (30 cm): $15.99")
    print("    - XL (35 cm): $18.99")
    print()

    print("19. Garlic Parmesan Pizza")
    print("    - Regular (20 cm): $9.99")
    print("    - Large (30 cm): $13.99")
    print("    - XL (35 cm): $16.99")
    print()

    print("20. Four Cheese Pizza")
    print("    - Regular (20 cm): $8.99")
    print("    - Large (30 cm): $12.99")
    print("    - XL (35 cm): $14.99")
    print()