#!/usr/bin/python
# -*- coding: UTF-8 -*-

import sys

'''
把一行多字，拆成2个字一行；

'''
_four_file_name = sys.argv[1]
_four_file_name_out = sys.argv[2]

def cut(obj, sec):
    return [obj[i:i+sec] for i in range(0,len(obj),sec)]

def write_into_file(words,f_):
    for word in words:
        f_.write(word+"\n")


with open(_four_file_name_out, 'w', encoding='utf-8') as f_out:
    with open(_four_file_name, 'r', encoding='utf-8-sig') as f:
        for word in f.read().splitlines():
            words = cut(word,2)
            write_into_file(words,f_out)