Use lambda to generate a call back function for a button : Event « GUI Tk « Python

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Python » GUI Tk » Event Screenshots  Use lambda to generate a call back function for a button   from Tkinter import * from sys import stdout, exit       widget = Button(None,                           text='Hello event world',               command=(lambda: stdout.write('Hello lambda world\n') or 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.  adds callbacks function to a button 6.  Add system exit action to a button 7.  Update Label in action event 8.  Class wrapper for GUI