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：f'd'j") 
key_message =""
# 请使用私钥key，message对进行加密
noise="jlsglhj;fghjlh"
for i in message:
    str1=i
    str2=random.choice(key)
    str3=random.choice(key)
    text=str1+str2+str3
    key_message=text+key_message

list_message=list(key_message)
index=random.randint(0,len(key_message))
list_message.insert(index,noise)
result_message ="".join(list_message)
print(result_message)