diy1.py

import random
key = "iyiphgopksgoipkfopik"
message = "诺依，周末一起去看漫展吧！"
key_message=""
for i in range(len(message)):
    a=message[i]
    b=random.choice(key)
    d=a+b+c
    key_message=key_message+
print(key_message)
b=list(key)
c="eriireerjeagter"