Генератор оценок

from random import randint

surnames = ['Иванов', "Петров", "Анискин", "Лейкин"]
courses = ['физика', "математика", "химия", "биология"]

for s in surnames:
  for c in courses:
    for i in range(5):
      print("%s %s %d" % (s, c, randint(2,5)))