from urllib import request
from bs4 import BeautifulSoup
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
f = request.urlopen("https://www.zhihu.com/question/29815334")
html = f.read()
soup = BeautifulSoup(html, "html5lib")
# print(soup.prettify())
p = soup.select("img")
# print(p[2])
# for i in p:
#     print(i)
# x = p[0]["src"]
# print(x)
i = 0
while True:
   x = p[i]["src"]
   name = "/Users/lcycq/Desktop/BT/%d.jpg"%i
   i += 1
   if i >= len(p):
       break
   if not x.startswith('http'):
       continue
   request.urlretrieve(x, filename='name')