使用python爬虫实现子域名探测问题

def search_2(domain):
    res_list = []
    headers = {
        'Accept': '**',
        'Accept-Language': 'en-US,en;q=0.8',
        'Cache-Control': 'max-age=0',
        'User-Agent': 'Mozilla/5.0 (X11; linux x86_64) AppleWEBKit/537.36 (Khtml, like Gecko) Chrome/48.0.2564.116 Safari/537.36',
        'Connection': 'keep-alive',
        'Referer': 'Http://www.baidu.com/'
    }
    for i in range(1, 16):
        url = "https://cn.bing.com/search?q=site%3A" + site + "&Go=Search&qs=ds&first=" + str(
            (int(i) - 1) * 10) + "&FORM=PERE"
        # conn = requests.session()
        # conn.get('http://cn.bing.com', headers=headers)
        # html = conn.get(url, stream=True, headers=headers)
        html = requests.get(url, stream=True, headers=headers)
        soup = BeautifulSoup(html.content, 'html.parser')
        # print(soup)
        job_bt = soup.findAll('h2')
        for i in job_bt:
            link = i.a.get('href')
            print(link)
            if link in Subdomain:
                pass
            else:
                Subdomain.append(link)
    print(Subdomain)
if __name__ == '__main__':
    search_1("jd.com")

def dict(url):
    for dict in open('dic.txt'):  # 这里用到子域名字典文件dic.txt
        dict = dict.replace('\n', "")
        zym_url = dict + "." + url
        try:
            ip = Socket.gethostbyname(zym_url)
            print(zym_url + "-->" + ip)
            time.sleep(0.1)
        except Exception as e:
            # print(zym_url + "-->" + ip + "--error")
            time.sleep(0.1)
if __name__ == '__main__':
    dict("jd.com")

headers = {
        'User-Agent': "Mozilla/5.0 (windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240"
    }
url = "https://site.ip138.com/"

get：res = requests.get(url + domain, headers=headers)
post：res = requests.post(url + domain, headers=headers, data=data)

soup = BeautifulSoup(res.content, 'html.parser')  # 以html解析器解析res的内容

job_bt = soup.findAll('p')

try:
    for i in job_bt:
        link = i.a.get('href')
        linkk = link[1:-1]
        res_list.append(linkk)
        print(linkk)
except:
    pass

res_list[:-1]

soup = BeautifulSoup(res.content, 'html.parser')  # 以html解析器解析res的内容

print(soup.get_text())

for link in soup.find_all('a'):
    print(link.get('href'))