A program that reads in a list of classes from a file

here is the the input file:

CSCI127 Joy and Beauty of Data :MWF 1200-1250 1

CSCI246 Discrete Structures :MWF 1300-1350 2

CSCI446 Artificial Intelligence :TR 0900-0950 4

CSCI107 Joy and Beauty of Computing :MWF 1000-1050 1

CSCI132 Intro to Data Structures :TR 1100-1150 1

CSCI468 Compilers :TR 1400-1450 4

CSCI215 Social and Ethical Issues in Computer Science :TR 1300-1350 2

CSCI232 Data Structures and Algorithms :MWF 1100-1150 2

CSCI447 Machine Learning :MWF 1400-1450 4

CSCI305 Programming Languages :TR 1200-1250 3

CSCI351 System Administration :TR 1500-1550 3

CSCI442 Robot Vision :MWF 1500-1550 4