百度搜索关键词爬取

import requests
keyword="Python"
url="http://www.baidu.com/s"
try:
    kv={'wd':keyword}
    r=requests.get(url,params=kv)
    print(r.request.url)
    r.raise_for_status()
    print(len(r.text ))
    print(r.text[0:1000])
except:
    print("爬取失败")

结果：
1519