def calc(scores):
    total = 0
    for i in scores:
        total += i
    avg = total / 3
    return total, round(avg, 2)

score = [[76, 73, 85], [88, 84, 76], [92, 82, 92], [82, 91, 85], [72, 74, 73]]
highest = 0
highest_avg = 0
class_total = 0
_class_total = 0
for i in range(len(score)):
    print('student', i+1)
    total, avg = calc(score[i])
    class_total += avg
    _class_total += total
    if avg > highest_avg:
        highest = i + 1
        highest_avg = avg

    for j in range(len(score[i])):
        print(' {}: {}'.format(j+1, score[i][j]))

    print(' sum: ', total)
    print(' avg: ', avg)
print('total: {}, avg: {}'.format(_class_total, round(class_total/5, 2)))
print('highest avg: student {}: {}'.format(highest, highest_avg))