from Tkinter import *from tkMessageBox import * def callback(): if askyesno('Verify', 'Do you really want to quit?'): showwarning('Yes', 'Quit not yet implemented') else: showinfo('No', 'Quit has been cancelled') errmsg = 'Sorry, no Spam allowed!'Button(text='Quit', command=callback).pack(fill=X)Button(text='Spam', command=(lambda: showerror('Spam', errmsg))).pack(fill=X)mainloop()
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