jupyter notebook 切换python环境

#激活当前虚拟环境
conda activate env_name
#在当前环境下安装jupyter
pip install jupyter 
#安装ipkerne
pip install ipykernel
#将虚拟环境添加到jupyter
python -m ipykernel install --user --name env_name  --display-name "env_name "

import sys
print(sys.version)
print(sys.executable)