install python 3 with homebrew code example

Example 1: mac os install python 3

brew install python3

Example 2: update link python is python 3

$ python --version
Python 2.7.6
$ python3 --version
Python 3.4.3
$ alias python=python3
$ python --version
Python 3.4.3

Example 3: which python mac

$ brew update && brew upgrade python

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

$ brew switch python 3.6.5_1