python use v3.8 mac code example
Example 1: which python mac
$ brew update && brew upgrade pythonExample 2: install python 3.4 mac terminal
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"$ brew update && brew upgrade python$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"