python-tk software package provides Tkinter - Writing Tk applications with Python, 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 python-tk
python-tk is installed in your system.
Make ensure the python-tk package were installed using the commands given below,
$ sudo dpkg-query -l | grep python-tk *
You will get with python-tk package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Python |
| Package | python-tk |
| Version | 2.7.5-1ubuntu1 |
| Description | Tkinter - Writing Tk applications with Python |
| Sub Section | Python |