The input data file shows a student together wth the total number of attendance recorded.
Print the names of the students who have a perfect record. A perfect attendance record shows 10 events attended.
Show the attendance for student "Bravo" with inital "B".
For each student show the name and "poor", "medium" or "good" depending on attendance. Poor is 0,1 or 2; medium is 3 to 7, good is 8 or more.
Show the average attendance for all students.
Show the number of students who have attended 0 events.