When jupyter notebook is encountered, erroe appears in the name and is not output after running, but an empty line of code is added downward, and [] is empty

encounter Jupyter Notebook, Naming appears erroe And no output after operation , Just add a line of blank code down , And [ ] It's empty ,Jupyter Notebook You have to copy and paste the address into the browser to open , But just open Jupyter Notebook Interface ,cmd Will shut down .

Questions as follows ：

resolvent ：（ I used Anaconda Download the Jupyter Notebook）

Refer to the @ Nitro classmate
①： First find Anaconda Download the python.exe Copy its path

②： Search in the lower left corner of the desktop “cmd” Open as Administrator .

a key ** Open as administrator ***, I haven't had many problems before .
*** Input again “cd Press the space again ctrl+v”***（ Namely cd Add spaces and the path just copied ）
enter

* Lose again python.exe -m pip uninstall pyzmq（* I don't know why just do it ）
enter
Lose again “y”

Lose again python.exe -m pip install pyzmq==19.0.2
enter
Lose again “y”

became , Although there are still errors, but Jupyter Notebook Open it and it can work normally