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(base) C:\Users\hello>pip show jupyter_contrib_nbextensions
Name: jupyter-contrib-nbextensions
Version: 0.7.0
Summary: A collection of Jupyter nbextensions.
Home-page: https://github.com/ipython-contrib/jupyter_contrib_nbextensions.git
Author: ipython-contrib and jupyter-contrib developers
Author-email: jupytercontrib@gmail.com
License: BSD
Location: C:\Users\hello\AppData\Roaming\Python\Python311\site-packages
Requires: ipython-genutils, jupyter-contrib-core, jupyter-core, jupyter-highlight-selected-word, jupyter-nbextensions-configurator, lxml, nbconvert, notebook, tornado, traitlets
Required-by:

(base) C:\Users\hello>jupyter contrib nbextension install --user
usage: jupyter [-h] [--version] [--config-dir] [--data-dir] [--runtime-dir] [--paths] [--json] [--debug] [subcommand]Jupyter: Interactive Computingpositional arguments:subcommand     the subcommand to launchoptions:-h, --help     show this help message and exit--version      show the versions of core jupyter packages and exit--config-dir   show Jupyter config dir--data-dir     show Jupyter data dir--runtime-dir  show Jupyter runtime dir--paths        show all Jupyter paths. Add --json for machine-readable format.--json         output paths as machine-readable json--debug        output debug information about pathsAvailable subcommands: bundlerextension console dejavu events execute fileid kernel kernelspec lab labextension labhub
migrate nbclassic nbconvert nbextension notebook qtconsole run script server serverextension troubleshoot trustJupyter command `jupyter-contrib` not found.

(base) C:\ProgramData\anaconda3\Lib\site-packages>pip show jupyter_contrib_nbextensions
Name: jupyter-contrib-nbextensions
Version: 0.7.0
Summary: A collection of Jupyter nbextensions.
Home-page: https://github.com/ipython-contrib/jupyter_contrib_nbextensions.git
Author: ipython-contrib and jupyter-contrib developers
Author-email: jupytercontrib@gmail.com
License: BSD
Location: C:\Users\hello\AppData\Roaming\Python\Python311\site-packages
Requires: ipython-genutils, jupyter-contrib-core, jupyter-core, jupyter-highlight-selected-word, jupyter-nbextensions-configurator, lxml, nbconvert, notebook, tornado, traitlets
Required-by:

Location: C:\Users\hello\AppData\Roaming\Python\Python311\site-packages

 python3 application.py  install