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 = "诺依，周末一起去看动漫展吧！"
key_message="" 
# 请使用私钥key，对message进行加密
noise = "nfgdrshgb fubvfdhkjfdvjmghbcvjkfdvzhbhjfgdvbnbmghjfdz g"
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
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)