Rename year directories to allow natural ordering

year2/semester2/CT248/Assignments/LabTest-1/clean_grades.m

@@ -0,0 +1,9 @@
+function [grades] = clean_grades(grades) 
+   for i = 1:(size(grades,1)*size(grades,2))
+       if grades(i) < 0 
+           grades(i)  = 0; 
+       elseif grades(i) > 100 
+           grades(i) = 0; 
+       end 
+   end
+end