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20.5 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)