Install Python 3.12 on Ubuntu

Add repository

sudo add-apt-repository ppa:deadsnakes/ppa

Update the package list

sudo apt update

Install Python 3.12

sudo apt install python3.12

Install pip

curl -sS https://bootstrap.pypa.io/get-pip.py | python3.12

Set Python 3.11 as default

sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.12 1
python --version

Install support package

sudo apt install python3.12-dev python3.12-venv python3.12-distutils python3.12-gdbm python3.12-tk python3.12-lib2to3

• When create virtual environment, use python3.12 -m venv <venv_name> instead of python -m venv <venv_name>.
• On using pip, use python3.12 -m pip <command> instead of python -m pip <command>.