code

import os
import sys
from time import sleep
count= 0
checkout_price = 0
repeat = "true"
address = ''
def restart_program():
  python = sys.executable
  os.execl(python, python, * sys.argv)
def order():
  print("         <---------------=========ORDER========----------------->","\n","\n")
  for i in range (0,quantity+1):
      print( "   " , *new_menu[i], sep='')
      print("")
  print("         <---------------=========ORDER========----------------->","\n")
postcode_count = 0
delivery = 'true'
name = input("Hi there, please enter your name: ")
valueerror= "true"
while valueerror == "true":
   try:
       quantity=int(input("Please enter the amount of items you would like to order: "))
       valueerror= "false"
   except ValueError:
       print("This is not a whole number.")
       valueerror = "true"
while quantity < 3 :
  os.system('cls')
  print("The number you have entered is less than 3. The minimum of items that can be ordered is 3. Please try again")
  sleep(0.5)
  os.system('cls')
  quantity= int(input("Please enter the amount of items you would like to order: "))
os.system('cls')
print("loading menu...")
sleep(3)
print("         <---------------=========Menu========----------------->","\n","\n")
menu_list = [];
menu_list.append('[1] Fried fish collars with native horopito')
menu_list.append('[2] green-lipped mussels with leafy kawakawa')
menu_list.append('[3] savoury paua porridge')
menu_list.append('[4] Pure beef burger with caramalised onion')
menu_list.append('[5] BBQ beef pizza')
menu_list.append('[6] pie')
menu_list.append('[7] burger')
menu_list.append('[8] pizza')
menu_list.append('[9] pork')
print("these items are priced at 5.0 $")
for count in range (0,9):
  print( "                  " , menu_list[count])
  count = count+1
  if count == 7:
      print("These items are priced at 7.50$")
      count = count+1
print("")
print("")# count = count+1
print("         <---------------=========Menu========----------------->","\n")
new_menu= []
overall = 0
item_price = 5
for quantity in range (0, quantity):
  valueerror = "true"
  while valueerror == "true":
      try:
          item_numbers = int(input("Please enter the number that you would like to order from the menu above:  "))
          valueerror = "false"
      except ValueError:
          print("This is not a whole number.")
          valueerror = "true"
  while item_numbers < 0:
      item_numbers = int(input("The number you entered is less than 0, please enter a number from 1-9 : "))
  item_quantity=int(input("Please enter the amount of this item that you would like to purchase: "))
  if item_numbers > 0 and item_numbers < 7:
      total_price = 5*item_quantity
  elif item_numbers > 6 and item_numbers < 10:
      total_price = 7.50*item_quantity
  old_menu= (menu_list[item_numbers-1])
  overall = overall + total_price
  new_new_menu= [old_menu,'  |  Quantity:', item_quantity, ' |  Price:', total_price, '$']
  new_menu.append(new_new_menu)
postcode_list = ["0620", "0630", "0632"];
delivery = 0
os.system('cls')
delivery = input("would you like delivery , type 'Y' for yes or 'N' for no: ")
while delivery == "":
   delivery = input("Please enter either 'Y' or 'N', an empty space is not valid: ")
if delivery == 'Y':
      os.system('cls')
      postcode = input("Please enter your 4 digit postcode: ")
      for i in range(0, 3):
          if postcode == postcode_list[i]:
              delivery = "true"
              address = input("delivery is possible! Please enter your address: ")
              phone_number = input("Please enter your phone number: ")
              overall = overall + 5
elif delivery == 'N':
  print("you chose not to deliver")
  delivery = 8
  delivery = "false"
if delivery != "true" and delivery !="false":
    print("delivery is not possible")
sleep(5)
os.system('cls')
order()
print("hello ", name)
if delivery == "true":
  print("Your address is: ", address, ". Your phone number is: ", phone_number)
print(" The total cost of your order is :",overall, "$" )
sleep(5)
finished = input("Are you happy with your order or would you like to cancel? Press 'P' if you wish to proceed with the order or 'C' to cancel: ")
if finished == "P":
  print("Thank you for ordering with Kane and Monique's Maori twist!")
  sleep(10)
  os.system('cls')
  restart_program()
elif finished == "C":
  print("You have cancelled your order")
  restart_program()
  sleep(5)
restart_program()