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 = ""
noise = "jcvudghdfghduyft"
# 请使用私钥key，对message进行加密
for i in message   
    str1=i
    str2=random.choice(key)
    str3=random.choice(key)
    text=str1+str2+str3
    key_message=key_message+text
list_message = list(key_message)
list_message.insert(5,noise)
result_message = "".join(list_message)
print(result_message)