How to install python 3 in Ubuntu 16.04 / LIve USB

The following guide will help you get started with installing python3 and pip3 on your linux( Ubuntu 16.04 ) live USB.

1. First install python 3 from the "deadsnakes" repository from the Python Package Accesories ( PPA )

$ sudo add-apt-repository ppa:deadsnakes/ppa
$ sudo apt-get update
$ sudo apt-get install python3.6

This will install both python 3.5.2 and python 2.7.2 on your machine. Verify the installation by running python3 --version or python --version on the linux command line.

2. Next up, install pip3 package manager that will allow you to install other useful python libraries such as numpy,seabon ,pandas etc.

$ sudo apt-get update
$ sudo apt-get install python3-setuptools
$ sudo easy_install3 pip

Once again, verify the installation by running pip3 --version on the command line.
3. You can now use pip3 to install non-core python libraries as follows

$ sudo pip3 install jupyter
$ sudo pip3 numpy etc.

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