A high school senior is applying for colleges.  He wants a program to calculate the out-of-pocket cost for attending each college he is applying.  The out-of-pocket cost is determined by the following formula:

Out-of-pocket cost = tuition + room + board + other expenses - financial aid

Write a program to calculate the out-of-pocket cost of every college he is applying.  After each college, ask the user whether to calculate cost for another college.  Enter 'y' for yes.  The following is an example:

Enter name of college: Wake Tech

Enter tuition: 8500

Enter room: 6000

Enter board: 4000

Enter other expenses: 3000

Enter financial aid: 2000

Out-of-pocket cost for this college: 19500

Calculate cost for another college? [y/n] y

Enter name of college: Jefferson College

Enter tuition: 35000

Enter room: 7000

Enter board: 4500

Enter other expenses: 5000

Enter financial aid: 22000

Out-of-pocket cost for this college: 29500

Calculate cost for another college? [y/n] y

Enter name of college: Freedom University

Enter tuition: 20000

Enter room: 10000

Enter board: 5000

Enter other expenses: 5000

Enter financial aid: 30000

Out-of-pocket cost for this college: 10000

Calculate cost for another college? [y/n] n

Save your Python program in a file named Lab04P1.py.  Submit the file to Blackboard for credit.

Problem 2

We wrote the following program to calculate BTU needed to cool a room.

roomLength = float(input('Enter room length: '))
roomWidth = float(input('Enter room width: '))
roomHeight = float(input('Enter room height: '))
roomVolume = roomLength * roomWidth * roomHeight
btuNeeded = roomVolume * 3.5
print('BTU needed for this room:', btuNeeded)

Modify the program by adding error checking loops.  Room length, width and height must all be greater than 0. Every time the user enters a negative number, display an error message and ask the user to re-enter a valid value immediately.