Develop an Online Food ordering system. In this system, one can order various foods and beverages from some local hotels and home delivery is done. Write a code to develop webpages to view foods, placing the order and generate 10 digit order number randomly -- no comma, no spaces, no punctuation before placing the order. Calculate the bill with total and store the order number and bill amount. Maintain the file Serviceboy.txt for delivery boys name, mobile number, his availability status (Free/Engaged) and order number. After order placement, mail the order details to the delivery boy who is free.