BUUCTF-Python脚本编写

[GXYCTF2019]StrongestMind(正则匹配，eval执行字符串)

import requests
import re
from time import sleep


url = "http://c6f28c6b-0bba-4a69-8128-3ffa8db52112.node4.buuoj.cn:81/index.php"
r = requests.session()
res = r.get(url)
for i in range(1001):
    sleep(0.3)
    match = re.compile(r'[0-9]+ [+|-] [0-9]+')
    str = match.findall(res.text)[0]
    data = {
        "answer" : eval(str)
    }
    res =  r.post(url,data)
    print("{} : {}".format(i,eval(str)))

print(res.text)