>>> from control import control_1

>>> control_1 ('entryexit.txt', '11223344F')
(8, 15)
>>> control_1 ('entryexit.txt', '44337799P')
(5, 19)
>>> control_1 ('entryexit.txt', '77722212M')
(7, 16)
>>> control_1 ('entryexit.txt', '11122233V')
(6, 5)