In a supermarket you repeatedly enter the price of a product and the number of units to be purchased per customer (a customer can only buy one type of product).
customer (a customer can only buy one type of product). Validate that the price of the product and the number of units must not be
units must not be negative or zero. A 10% discount on the total purchase price is given for orders of 5 or more units.
of the purchase. Customers are identified by an automatic consecutive order number. Show the amount of
money to be paid by the customer. The process ends at the end of the working day. Display the order number
of the customer who paid the maximum amount and the total amount collected by the supermarket.program it in python