16.5 Idle 
Idle is the Python IDE built with the Tkinter GUI toolkit.  
IDLE has the following features:
- coded in 100% pure Python, using the Tkinter GUI toolkit
 
- cross-platform: works on Windows and Unix (on Mac OS, there are
currently problems with Tcl/Tk)
 
- multi-window text editor with multiple undo, Python colorizing
and many other features, e.g. smart indent and call tips
 
- Python shell window (a.k.a. interactive interpreter)
 
- debugger (not complete, but you can set breakpoints, view  and step)
Release 2.4.3, documentation updated on 29 March 2006.
 
See About this document... for information on suggesting changes.