Does the frequency of students with grades 0-4 increase between the first (G1) and third (G3) periods as…

Does the frequency of students with grades 0-4 increase between the first (G1) and third (G3) periods as…: a task in data-agent-harbor-test (Harbor dataset). Files (in /home/user/input, no subfolders): - student-mat.csv - student-por.csv