https://learn.microsoft.com/zh-cn/windows/python/beginners#install-python
https://www.python.org/downloads/windows 进去下载
安装中选第二个选项再选择add 下一步 再把alluser选上直接完成
http://chromedriver.storage.googleapis.com/index.html
https://googlechromelabs.github.io/chrome-for-testing 下载chromedriver
正文完