How do I install Python 3 and Git on OSX

In terminal first install the command line tools for Xcode by opening a terminal and running:
xcode-select --install

Next Install Homebrew with the following terminal command:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

To ensure you have the most up to date version with the following terminal commands:
brew update
brew upgrade

To ensure it is working with the following terminal command:
brew doctor

Using brew install python 2 and 3 with the following terminal commands:
brew install python
brew install python3

Using brew install git with the following terminal commands:
brew install git