• Loops
• File processing
• Previously mastered course topics
Create an application allowing employees to take orders and then tally up the total costs from its customers.
The coffee shop offers the following items on its menu:
• Coffee
• Tea
• Soda
• Juice
• Manager Special (store manager offers a drink of their choice to customers)
The application must be able to:
• Accept one or more drinks in a single order; use a sentinel value to terminate an order
• Once an order has been placed, tally up the total cost of the order
Application #2: Create another application to process an input file, weekly_sales.txt, and tally up its weekly sales total. The data file consists of 7 entries representing the sales from last week.
If the input file does not exist, prompt user to try again.