bindings in Tkinter

[Jeff Epler]

The following program just fine for me, printing "Control-N"
multiple times without the need to release and re-press control each
time:
    from Tkinter import Tk
    t = Tk()
    def puts(s): print s
    t.bind("<Key-Control_L>", lambda e: puts("Control"))
    t.bind("<Key-Control_R>", lambda e: puts("Control"))
    t.bind("<KeyRelease-Control_L>", lambda e: puts("Released Control"))
    t.bind("<KeyRelease-Control_R>", lambda e: puts("Released Control"))
    t.bind("<Control-n>", lambda e: puts("Control-N"))
    t.mainloop()

Your problem must be because you've done something more complicated than
you've told us.  For instance, if your binding for <Control-n> creates
or destroys widgets, moves the input focus, etc., maybe something bad is
happening.  

Jeff
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