IDLE is a python integrated development environment that has been bundled with python for as long as I can remember. IDLE is an interactive python shell and editor. There are much better options then IDLE for development. However when working with turtle graphic examples it can be handy.
Changing IDLE’s Default Theme
For 90% of my programming work I use the solarized dark theme. This is easy on the eye and helps avoid strain. changing the IDLE theme is quite simple.
git clone git://github.com/mattcan/solarized-idle.git
After downloading simply copy the configuration file to your .idle directory located in your home directory.
Linux
~/.idlerc/config-highlight.cfg
Windows
%USERPROFILE%\.idlerc\config-highlight.cfg
After adding the configuration file launch IDLE and goto Options -> Configure IDLE and when the window pops up click Highlights and select custom theme.