Answers for "does jupyter notebook have independent virtual environment"

jupyter notebook venv

python -m ipykernel install --user --name=myenv

how to add virtual environment in jupyter notebook

python -m ipykernel install --user --name=<my_env_name>

jupyter notebook virtualenv

$ python -m venv projectname
$ source projectname/bin/activate
(venv) $ pip install ipykernel
(venv) $ ipython kernel install --user --name=projectname