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=""
for i in message:
    str1 = i
    str2 = random.choice(key)
    str3 = random.choice(key)
    test = str1 + str2 + str3
    key_message=key_message+test
jj="dcicg"
list_test=list(key_message)
list_test.insert(1,jj)
li="".join(list_test)
print(li)