Python Env setup for Mac

Proper and clean way of Python install on mac

First install pyenv

brew install pyenv

Look at the available python versions

pyenv install --list

and then select a version to install

$pyenv install 3.9.0
python-build: use openssl@1.1 from homebrew
python-build: use readline from homebrew
Downloading Python-3.9.0.tar.xz...
-> https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tar.xz
Installing Python-3.9.0...
python-build: use readline from homebrew
python-build: use zlib from xcode sdk
Installed Python-3.9.0 to /Users/jondoe/.pyenv/versions/3.9.0
$

setup the bash profile

$echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.bash_profile

or zsh

$echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.zshrc