出现(‘Failed to import pydot. You must `pip install pydot` and install graphviz）解决方案，亲测有效！

问题描述：

出现('Failed to import pydot. You must pip install pydot and install graphviz (https://graphviz.gitlab.io/download/), ', ‘for pydotprint to work.’)问题，如何解决，三步搞定，亲测有效！

解决方案：

1、pip install pydot
pip install graphviz
pip install pydot-ng
2、按照此链接https://graphviz.gitlab.io/download/#windows
下载
2.47.1 EXE installer for Windows 10 (64-bit): stable_windows_10_cmake_Release_x64_graphviz-install-2.47.1-win64.exe
3、安装添加环境变量
搞定！
参考：https://blog.youkuaiyun.com/qq_26822029/article/details/101000868