python3.8 install mac code example

Example 1: install python in mac

brew install python3
brew install python2

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

$ brew switch python 3.6.5_1

Example 3: command to install python3.6 on mac os

$ brew switch python 3.7.4_1

Example 4: command to install python3.6 on mac os

$ brew unlink python