conda jupyter

https://zhuanlan.zhihu.com/p/139776843

conda install nb_conda
pip install jupyter 
conda activate your_env_name

PermissionError: [WinError 5] Access is denied
'C:\Users\admin\AppData\Local\Programs\Python\Python37'

https://cloud.tencent.com/developer/article/1740284

关闭跟python相关的所有程序，如jupyter，pycharm，Anaconda等等，这一步非常重要！！！