def __init__(self, line_num: int, clock: Clock):
self._line_num = line_num
self._clock = clock
self._queue = Queue()
# Statistics
self._max_length = 0
self._customer_wait_times = []
def __init__(self, line_num: int, clock: Clock):
self._line_num = line_num
self._clock = clock
self._queue = Queue()
# Statistics
self._max_length = 0
self._customer_wait_times = []