Quote: " how will I get the results of student average and class average out of it?"
Please re-read my previous post, I cannot make it much clearer than this.
Pseudo code
classaverage = 0
classcount = 0
for each student
{
studentaverage = 0
gradecount = 0
for each grade
{
studentaverage = studentaverage + grade
gradecount = gradecount + 1
}
classaverage = classaverage + studentaverage
classcount = classcount + gradecount
studentaverage = studentaverage / gradecount
print studentname, studentaverage
}
classaverage = classaverage / classcount
print "Class average", classaverage