Quick view of common Python commands

• establish ：conda create --name env python=3.8
• Activate ：activate env
• Do not activate : deactivate
• Delete ：
• Source change ： stay .condarc Middle exchange

• pip install pkg -i http://pypi.douban.com/simple --trusted-host pypi.douban.com

1. Activate the environment ：activate vis
2. conda install ipykernel
3. Environment write kernel：python -m ipykernel install --user --name env --display-name “env name”

pip install jupyter_contrib_nbextensions && jupyter contrib nbextension install