no idea

lab14.py

## Individual Lab 14

def main():
   mydata = input("Filename? ")
   try:
     infile  = open(mydata, "r")
   except:
     print("Can't open file")
     return

   print('File opened')

   ctr = 0
   total = 0
   for line in infile:
     avg = process(line)
     total += avg
     print(avg)
     ctr +=1
   print("\nAverage over all students =", end=" ")
   if total != 0:
      print(total / ctr)
   else:
      print(0)

   infile.close()

def process (line):
   lst = line.split()
   #  first name, last name, 5 grades
   tot = 0
   print(lst[0], lst[1], end=" ")
   for i in range(2, 7):
      gr = int(lst[i])
      tot += gr
   return tot/5

main()