Write a program that allows the user to enter students' names followed by their test scores and output the following information(assume that the maximum number of students in the class is 50):
a. Class average
b. Names of all the students whose test scores are below the class average, with an appropriate message
c. Highest score and the names of all students have the highest score
example of the data.txt file format:
AAA 85
BBB 90
CCC 100
DDD 85