osnovi_prog_var.py

#!/usr/bin/env python3

def main():
    """Вычисляет коллизии вариантов у студентов

    Вариант определяется по сумме двух последних цифр
    номера зачетки
    """

    filename = 'list_auz_studbook.txt'
    students = []
    file_content = None

    with open(filename) as f:
        file_content = f.read()

    students = file_content.split('\n')
    students_data = []
    for student in students:
        entities = student.split(' ');
        if len(entities) != 4:
            continue
        book_number = entities[3]
        variant = (int(book_number[-2]) + int(book_number[-1])) % 30
        students_data.append([entities, variant])

    students_data.sort(key=lambda x: x[1])
    for student in students_data:
        outline = '{0} {1} {2} {3}'.format(
            student[0][0],
            student[0][1],
            student[0][2],
            student[1],
        )
        print(outline)


if __name__ == '__main__':
    main()