trips | Python Fiddle

import sys

inp = """
7:00, 7:30, 7:50, 8:30, 9:20, 10:00, 10:30, 11:20, 12:00, 13:40, 14:20, 15:00, 15:30, 16:30, 17:00, 17:40, 18:10, 18:50, 19:20, 20:00, 20:30, 21:10
marsh12,12345,marsh-12-12345-212,212
marsh-12-12345-212,6:00:00,6:00:00,766,1,Иртышская
marsh-12-12345-212,,,765,2,Химсбыт
marsh-12-12345-212,,,52,3,Парк Победы
marsh-12-12345-212,,,50,4,Постышева
marsh-12-12345-212,,,49,5,Постышева
marsh-12-12345-212,,,47,6,Проспект 100-летия Владивостока
marsh-12-12345-212,,,152,7,Молодежная
marsh-12-12345-212,,,150,8,Некрасовская
marsh-12-12345-212,,,315,9,ВГУЭС
marsh-12-12345-212,,,639,10,Студенческая
marsh-12-12345-212,,,316,11,Голубиная Падь
marsh-12-12345-212,,,317,12,Фуникулер
marsh-12-12345-212,,,319,13,Суханова
marsh-12-12345-212,,,137,14,"ТЦ ""Изумруд"" "
marsh-12-12345-212,,,139,15,Комарова
marsh-12-12345-212,,,142,16,Картинная галерея
marsh-12-12345-212,,,144,17,Инструментальный завод
marsh-12-12345-212,,,146,18,Гоголя
marsh-12-12345-212,,,148,19,Гоголя
marsh-12-12345-212,,,149,20,Некрасовская
marsh-12-12345-212,,,151,21,Молодежная
marsh-12-12345-212,,,46,22,Проспект 100-летия Владивостока
marsh-12-12345-212,,,48,23,Фирсова
marsh-12-12345-212,,,324,24,Магазин
marsh-12-12345-212,,,764,25,Химсбыт
marsh-12-12345-212,06:40:00,06:40:00,766,26,Иртышская  
""".split('\n')

def timediff(t1, t2):
	t2 = int(t2.split(':')[0])*60 + int(t2.split(':')[1]) 
	t1 = int(t1.split(':')[0])*60 + int(t1.split(':')[1])
	return t2 - t1
	
def addtime(t, mins):
	t = int(t.split(':')[0])*60 + int(t.split(':')[1]) + mins
	return '%02d:%02d:00' % (t/60, t%60)

times = inp[0]
times = [a.strip()+':00' for a in times.split(',')]

trip_line = inp[1].strip().split(',')
trip_line[2] += '-%d'
trip_id = trip_line[2]
trip_line = ','.join(trip_line)

stoptimes = []
for line in inp[2:]:
	stoptimes.append(line.strip().split(','))

duration = timediff(stoptimes[0][1], stoptimes[-1][1])
	
for i in range(len(times)):
	print trip_line % i

for i in range(len(times)):
	stoptimes[0][1] = stoptimes[0][2] = times[i]
	stoptimes[-1][1] = stoptimes[-1][2] = addtime(times[i], duration)
	print '\n'.join([','.join([trip_id % i,] + a[1:]) for a in stoptimes])

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