复仇者联盟4上映啦，我来爬爬猫眼的国内票房榜

import json
import requests
from requests.exception import RequestException
import re
import time

def get_hot_movie_rank(url):
try:
response = requests.get(url)
if response.status_code == 200:
return response.text
return None
except RequestException:
return None

def parse_hot_movie_rank(html):
pattern = re.compile('

. ?board-index.?>(\d+). ?data-src="(.?)". ?name"><a'
+ '.?>(. ?).?star">(. ?)

.?releasetime">(.*?)

上映时间：2019-04-24