install python from cmd
On macOS:
1) You don't have Homebrew installed, then you need to install it first:
-go to http://brew.sh/ and follow the instructions (you should run
something like:
$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
)
2) with Homebrew
-make sure you have the latest version:
$ brew update && brew upgrade
then run
$ pip3
done