import random
import time

import requests
from bs4 import BeautifulSoup

for page in range(10):
    resp = requests.get(
        url=f'https://movie.douban.com/top250?start={25 * page}',
        headers={'User-Agent': 'BaiduSpider'}
    )
    soup = BeautifulSoup(resp.text, "lxml")
    for elem in soup.select('a > span.title:nth-child(1)'):
        print(elem.text)
    time.sleep(random.random() * 5)