Practice reading from a file Practice using an array A theater seating chart is implemented as a table of ticket prices, like this The above seating information is saved in a text file. Your program should load the information from the file into an array. Write a program that asks users to pick either a seat or a price. When choosing seat, indicate the row and column for the location; when choosing the price, just use the first available price; mark the sold seats by changing the price to 0. When a user specifies a seat, make sure it is available. Use loop to determine whether continue to order or not. In each time, the seating chart should be displayed for user. When user stops ordering, your program should output the number of tickets ordered, and amount ordered