python每个字符后添加空格

#!/usr/bin/env Python# coding=utf-8file = open("chinese1.txt",'r')file2 = open(r'chinese2.txt', 'w')# 返回一个文件对象list1= file.readlines()list2 = []j = -1for i in list1:    j+=1    if j % 3 == 2:        list1[j] = ("=== \n")    else:        list1[j] = i    # print(j)    # print(list1[j])for i in list1:    file2.write(i)file.close()file2.close()file = open(r'two_1_2.0_100w.txt', 'r')file2 = open(r"chinese1.txt",'w')file2.write(' '.join([f+ ' ' for fh in file for f in fh ]))file.close()file2.close()