diy4.py

import random

# 私钥
key = "abcdefgh使用编程实现位移替换加密，制作密码机关真是太好玩了哈哈！"
# 要加密语句
message = input("请输入：")
key_message = " "
noise = "port:@#$%^%$"
for i in message:
    str1=i
    str2=random.choice(key)
    str3=random.choice(message)
    text = str1+str2+str3
list_message = list(key_message)   
insert = random.randint(0,len(key_message))
list_message.inesrt(insert,noise)  
 
 result_message = " ".join(list_message)
 print(result_message)