Bobibekov

# вычисление средней оценки каждого предмета всех учеников
    count_students = len(temp_2d_list)
    count_school_subjects = len(temp_2d_list[0])

    for col in range(count_school_subjects):
        for row in range(count_students):
            sum_row += float(temp_2d_list[row][col])
        average = sum_row / len(temp_2d_list)
        sum_row = 0
        print(str(average), end=' ')
        outfile.write(str(average) + ' ')