Batch process zip code

zipcode.py

#!/usr/bin/python
# sudo pip install zipcodetw

from codecs import open
import zipcodetw

i = open('address.txt', 'r', encoding='utf-8')
o = open('address_a.txt', 'w+', encoding='utf-8')

for addr in i:
  o.write('%s %s\n' % (zipcodetw.find(addr), addr))

i.close()
o.close()