问题

When you visit this link you receive a message.
Submit the same message back to http://www.wechall.net/challenge/training/programming1/index.php?answer=the_message
Your timelimit is 1.337 seconds

首先访问链接获取到一条信息，接着携带这条信息发送给index.php。

解决

Python

import requests

url1 = "http://www.wechall.net/challenge/training/programming1/index.php?action=request"
url2 = "http://www.wechall.net/challenge/training/programming1/index.php?answer="
c = {"WC": "你的cookie"}
key = requests.get(url1, cookies=c).text
requests.get(url2+key, cookies=c)

Curl

answer=$(curl -H 'Cookie:WC=你的cookie'  http://www.wechall.net/challenge/training/programming1/index.php?action=request)
curl -H 'Cookie:WC=你的cookie'  http://www.wechall.net/challenge/training/programming1/index.php?answer=$answer