importrequests frombs4importBeautifulSoup importre importos 视频链接 url="https://www.bilibili.com/video/BV1v7411S7ZD" 请求头，获取视频页面的HTML内容 headers={   "User-Agent":"Mozilla/5.0(WindowsNT10.0;Win64;x64)AppleWebKit/537.36(KHTML,likeGecko)Chrome/58.0.3029.110Safari/537.3" } response=requests.get(...