Python example of adding spaces after each character

#!/usr/bin/env Python
# coding=utf-8
file = open("chinese1.txt",'r')
file2 = open(r'chinese2.txt', 'w')# 返回一个文件对象
list1= file.readlines()
list2 = []
j = -1
for 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()