% Variables used:
% n: number of students
% mood: [1=good or 2=bad] 
% fail: failing rate (0 1)
% accuracy: Enter the desired accuracy of grades [0.5 0.25 0.1]

n = 50;
mood = 2;
fail = 0.2;
accuracy = 0.25;


[GRADES] = grade_generator(n, mood, fail, accuracy);