import requestsimport re# 第一次请求r1 = requests.get("https://github.com/login")r1_cookie = r1.cookies.get_dict()  # 拿到初始cookie(未被授权）authenticity_token = re.findall(r'name="authenticity_token".*?value="(.*?)"',r1.text)[0]  # 从页面上中拿到CSRF TOKEN# 第二次请求： 带着初始的cookie 和TOKEN发送POST 请求给登录页面，带上账号和密码data = {    'commit':'Sign in',    'utf8':'✓',    'authenticity_token':authenticity_token,    'login':'317828332@qq.com',    'password':'alex3714'}r2 = requests.post("https://github.com/session",                   data=data,                   cookies=r1_cookie)login_cookie = r2.cookies.get_dict()# 第三次请求 ：以后的登录，拿着login_cookie 就可以了，比如访问一些个人配置r3 = requests.get("https://github.com/settings/emails",cookies=login_cookie)print("317828332@qq.com" in r3.text)