adds callbacks function to a button : Event « GUI Tk « Python

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Python » GUI Tk » Event Screenshots  adds callbacks function to a button   import sys from Tkinter import * widget = Button(None, text='Hello', command=sys.exit) widget.pack() widget.mainloop()                          Related examples in the same category 1.  Binding an event with an event handler 2.  Associating arguments to an event-handler function 3.  Sharing Information Between Event-Handler Functions 4.  What Events Does 'Command' Bind To? 5.  Add system exit action to a button 6.  Update Label in action event 7.  Class wrapper for GUI 8.  Use lambda to generate a call back function for a button