Custom csv-file processor

gistfile1.py

class Room():
	@classmethod
	def _process_calendar(self, s):
		return [[x.split(':')[0],x.split(':')[1]] for x in s.replace('"','').replace(' ','').replace('{','').replace('}','').split(',')]

	def __init__(self, s):
		a = s[0:-1].split('\t')
		self.url = a[0]
		self.date_parsed = a[1]
		self.bedrooms = a[9]
		self.zipcode = a[12]
		self.rating = a[13]
		self.calendar = Room._process_calendar(s.split('\t')[14])

	def __next__(self):
		if self.calendar:
			day = self.calendar.pop()
			return "{}\t{}\t{}\t{}\t{}\t{}\t{}".format(self.url, self.date_parsed, self.bedrooms, self.rating, self.zipcode, day[0], day[1])
		else:
			raise StopIteration

	def __iter__(self):
		return self

	def __repr__(self):
		return (self.url + ' ' + self.date_parsed + '\n' +\
					self.bedrooms + ' ' + self.rating + ' ' + self.zipcode + '\n')

	def show_calendar(self):
		for k, v in self.calendar:
			print (k + '\t' + v)

	def return_calendar(self):
		return self.calendar

i = 0
o = open('E:\\homeaway_flat.csv', 'w')
o.write('url\tdate_parsed\tbedrooms\trating\tzipcode\tprice_date\tprice\n')
with open('E:\\homeaway_rooms.csv', 'r') as f:
	k = f.readline()
	while k != '':
		try:
			i = i + 1
			if i % 100 == 0:
				print (i)
			k = f.readline()
			r = Room(k)
			if r.zipcode == '60657' or r.zipcode == '60614' or r.zipcode == '60610':
				print(r)
				for s in r:
					o.write(s+'\n')
		except:
			pass
o.close()