how to get python3 in terminal mac code example

Example 1: command to install python3.6 on mac os

$ brew switch python 3.6.5_1

Example 2: command to install python3.6 on mac os

$ brew switch python 3.7.4_1

Example 3: install python 3.4 mac terminal

$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"