https://movie.douban.com/top250?start=0  start是排名第几  并且 n-1

python爬取豆瓣电影名称、评分

import requests
from bs4 import BeautifulSoup

for i in range (0,10):
    url = "https://movie.douban.com/top250?start="+(str(i*25))
    #获取网页
    response = requests.get(url)
    #解析网页
    soup = BeautifulSoup(response.text,"html.parser")
    movie_list = soup.find_all(name='div',attrs={'class':'info'})
    #print(movie_list)
    print("\n"+str(i+1)+" 页:\n")
    #遍历网页信息
    for movie_information in movie_list:
        m_name = movie_information.find(name = 'span',class_ = 'title').text
        m_score = movie_information.find(name = 'span',class_='rating_num').text
        print(m_name+"            "+m_score)

在使用requests从网页把源码爬下来之后,需要从网页中提取数据,也就是要对网页有一个解析。
最近在学习解析网页的三种方法,分别是正则表达式‘BeauSoup和lxml。