diy4.py

import random
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！"
message = input("请输入加密语句)
key_message="" 
for i in range(len(message)):
    a=message[i]
    b=random.choice(key)
    c=random.choice(key)
    d=a+b+c
    key_message=key_message+d
message1=list(key_message)
message1.insert(random.randint(0,len(message1)),"￥%……&*$%_*^&%(%^")
message2="".join(message1)
print(message2)