import requests
from bs4 import BeautifulSoup #部析网页元素
rqrs=requests.get("https://news.sina.com.cn/china/")
rqrs.encoding="utf-8"
# print(rqrs.text)
soup=BeautifulSoup(rqrs.text,'lxml')#解析HTML,指定使用普析器 lxml
print(type(soup))
print(soup.select('title'))#将含有 feed-card-item类的内容取出来
print(soup.select('.feed-card-item'))#将含有 feed-card-item类的内容取出来,结果却返回空