How to Set Up a Virtual Environment in Python

Virtual Environment?

Python's official documentation says:

"A virtual environment is a Python environment such that the Python interpreter, libraries and scripts installed into it are isolated from those installed in other virtual environments, and (by default) any libraries installed in a “system” Python, i.e., one which is installed as part of your operating system."

Ubuntu - Installation

Install

# sudo apt install python3-venv

Create an environment

# python3 -m venv my-project-env

Activate

# source my-project-env/bin/activate

Deactivate

# deactivate

Windows - Installation

Install

# pip install virtualenv

Create an environment

# virtualenv my-project-env

Activate

# my-project-env\Scripts\activate

Deactivate

# deactivate