Write a program that reads student scores from a file

The file is formatted as follows: Smith, John, 84.7

Report the Number of A B C D and F's and the class average.

Class File:

Smith, John, 84.7

Parker, Peter, 96.4

Rogers, Steve, 78.3

Brock, Eddie, 81.0

Odinson, Thor, 45.9

Wayne, Bruce, 92.7

Kent, Clark, 67.9

Prince, Diana, 89.9

Allen, Barry, 93.8

Stark, Tony, 100.0

Banner, Bruce, 96.8

Xavier, Charles, 101.1