when you type 'quit' or 'exit'.
He also shows an example.
1 2 >>> class _Exit: 3 ... def __repr__(self): 4 ... raise SystemExit 5 ... 6 >>> exit = _Exit() 7 >>> exit # exits the interpreter
Stewart Midwinter comments how he modify it a bit and put them
into the site.py
1 2 def setquit(): 3 __builtin__.quit = __builtin__.exit = exit = _Exit()