How to create a Python virtual environment on Ubuntu 20.04

python_venv_ubuntu_20.04.md

Ubuntu 20.04 uses python 3.8.

Install virtual environment tool:

sudo apt update
sudo apt install python3-venv

Create a virtual environment for Python:

python3 -m venv my-project-env

Activate:

source my-project-env/bin/activate

Update pip:

pip install --upgrade pip

Run sanity:

python -c "import sys; print(sys.version)"

Exit virtual environment:

deactivate