pyenv

pyenv is a Python Version Management tool and lets you easily switch between multiple versions of Python.

Installation

Requirements:

sudo apt install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \
libreadline-dev libsqlite3-dev wget curl llvm libncursesw5-dev \
xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev

To install:

curl https://pyenv.run | bash

and follow the instruction to load pyenv automatically.

Usage

To list all available versions of Python:

pyenv install --list

To install specific versions:

pyenv install 2.7.18
pyenv install 3.7.0

To show installed versions:

pyenv versions