diy1.py

import random

message=input("输入需要加密的内容...")
key="woxihuanni上海"
wxhn=""
for i in message:
    str1=i
    str2=random.choice(key)
    str3=random.choice(key)
    wan=str1+str2+str3
    wxhn=wxhn+wan
print(wxhn)
wan=list(wxhn)
print(wan)
wan.insert(random.randint(0,len(wan)),"guoxinyushisb")
wxhnhu="".join(wan)
print(wxhnhu)

num=0
word=""
for i in range(len(wxhn)):
    if i==num:
        word=word+wxhn[i]
        num+=3
print(word)