$ python3 -m venv venv/

# Linux / MacOS
$ source venv/bin/activate
# Windows (Command Prompt)
$ venv\Scripts\activate
# Windows (Git Bash)
$ source venv/Scripts/activate

$ pip install -r requirements.txt

# Linux / MacOS
$ venv/bin/jupyter-lab --port=8888
# Windows (Command Prompt)
$ venv\Scripts\jupyter-lab
# Windows (Git Bash)
$ venv/Scripts/jupyter-lab

$ pip install <package>
$ pip freeze > requirements.txt