idle3 software package provides IDE for Python using Tkinter (default version), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install idle3
idle3 is installed in your system.
Make ensure the idle3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep idle3 *
You will get with idle3 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Python |
| Package | idle3 |
| Version | 3.2.3-0ubuntu1 |
| Description | IDE for Python using Tkinter (default version) |
| Sub Section | Python |