Алдабергенов Руслан Даниярович, 411 RaceTesting 9747			Абдикашева Вилена Ринатовна, 411 группа RaceTesting 10294
f	1	from itertools import cycle	f	1	from itertools import cycle
	2			2
	3	def speed(path, stops, times):		3	def speed(path, stops, times):
n	4	path_iter = iter(path)	n	4	distance_iter = iter(path)
	5	stops_iter = cycle(stops)		5	stop_sequence = cycle(stops)
	6	times_iter = iter(times)		6	time_iter = iter(times)
	7	while True:		7	while True:
n	8	stop_count = next(stops_iter)	n	8	report_stops = next(stop_sequence)
	9	segment_distance = 0		9	total_distance = 0
	10	distances_covered = 0		10	segments_count = 0
	11	for _ in range(stop_count):		11	for _ in range(report_stops):
	12	distance = next(path_iter, None)		12	segment = next(distance_iter, None)
	13	if distance is None:		13	if segment is None:
	14	break		14	break
n	15	segment_distance += distance	n	15	total_distance += segment
	16	distances_covered += 1		16	segments_count += 1
	17	if distances_covered == 0:		17	if segments_count == 0:
	18	return		18	return
n	19	time = next(times_iter, None)	n	19	travel_time = next(time_iter, None)
	20	if time is None:		20	if travel_time is None:
	21	yield (segment_distance / distances_covered)		21	yield (total_distance / segments_count)
	22	return		22	return
t	23	if time > 0:	t	23	if travel_time > 0:
	24	yield (segment_distance / time)		24	yield (total_distance / travel_time)

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