南京邮电大学网络攻防训练平台-密码学-mixed_base64

import requests
import base64

url='http://ctf.nuptzj.cn/static/uploads/3e5c0c7045f2a81363a45d97d69911e3/code.txt'
def download(url):
	return requests.get(url).text
p=download(url)
n=</