python3 software package provides interactive high-level object-oriented language (default python3 version), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install python3
python3 is installed in your system.
Make ensure the python3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep python3 *
You will get with python3 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Python |
| Package | python3 |
| Version | 3.4.0-0ubuntu2 |
| Description | interactive high-level object-oriented language (default python3 version) |
| Sub Section | Python |