BeautifulSoup 使用

```
pip3 install beautifulsoup4

```

豆瓣电影 html
```html
<li>
            <div class="item">
                <div class="pic">
                    <em class="">1</em>
                    <a href="https://movie.douban.com/subject/1292052/">
                        <img width="100" alt="肖申克的救赎" src="https://img2.doubanio.com/view/photo/s_ratio_poster/public/p480747492.webp" class="">
                    </a>
                </div>
                <div class="info">
                    <div class="hd">
                        <a href="https://movie.douban.com/subject/1292052/" class="">
                            <span class="title">肖申克的救赎</span>
                                    <span class="title">&nbsp;/&nbsp;The Shawshank Redemption</span>
                                <span class="other">&nbsp;/&nbsp;月黑高飞(港)  /  刺激1995(台)</span>
                        </a>

<span class="playable">[可播放]</span>
                    </div>
                    <div class="bd">
                        <p class="">
                            导演: 弗兰克·德拉邦特 Frank Darabont&nbsp;&nbsp;&nbsp;主演: 蒂姆·罗宾斯 Tim Robbins /...<br>
                            1994&nbsp;/&nbsp;美国&nbsp;/&nbsp;犯罪 剧情
                        </p>

<p class="quote">
                                <span class="inq">希望让人自由。</span>
                            </p>
                    </div>
                </div>
            </div>
        </li>
```

```python
import requests
from bs4 import BeautifulSoup

url="https://movie.douban.com/top250?start={}&filter=".format('0')

headers={"User-Agent" : "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.6) ",
  "Accept" : "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
  "Accept-Language" : "en-us",
  "Connection" : "keep-alive",
  "Accept-Charset" : "GB2312,utf-8;q=0.7,*;q=0.7"}
result=requests.get(url,headers=headers)

soup=BeautifulSoup(result.text,'lxml')
list1=soup.find_all(class_='item') # 找到所有 class 为 item 的标签
for item in list1:
    img=item.find("img").get('src') #寻找 img 标签   get 得到 src 属性
    href=item.find(class_='info').find('a').get('href') #找到 class 为 info -》 找到a标签 得到 href 属性
    title=item.find(class_='info').find('a').find(class_='title').string
    print(href,img,title)
```