how to use different python environments
venv
is a bilt-in package in python3 and you don't need to install it.
python -m venv <my_venv_name>
pip install virtualenv
virtualenv <my_env_name>
pip install --user pipenv
pipenv
is a litle bit different from other env-tools . using code below , you can create and connect to your env.
pipenv shell
pipenv install <package>