视频学习地址:
https://www.bilibili.com/video/BV1V7411n7CM

Python 虚拟环境 pyenv、venv(pyvenv)、virtualenv之间的区别

https://www.cnblogs.com/qinhan/p/9293126.html

haima@haima-PC:~/Desktop$ python -m venv -h
/usr/bin/python: No module named venv

pip3 install --user virtualenv