from Tkinter import *
from tkMessageBox import askokcancel
class Quitter(Frame):
def __init__(self, parent=None):
Frame.__init__(self, parent)
self.pack()
widget = Button(self, text='Quit', command=self.quit)
widget.pack(side=LEFT)
def quit(self):
ans = askokcancel('Verify exit', "Really quit?")
if ans: Frame.quit(self)
Quitter().mainloop()
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