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Tkinter Toplevel spawned in event handler

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Hi!I am a Tkinter rookie, so please bear with me if I'm doingsomething obviously stupid.I am trying to write a simple Tkinter application, which will show modeless windows with some content as the reaction to button press.I am trying to achieve it with the following code:----class MyWin(Toplevel):    def __init__(self,master,number):        Toplevel.__init__(self,master)        self.number = number        Label( self , text=str(self.number) ).pack()        self.bind("<Escape>", self.cancel)        self.wait_window(self)    def cancel(self,event=None):        print "Canceling",self.number        self.destroy()        def new_window():    global win_number, root    no = win_number    win_number = win_number + 1    print "Showing",no    t = MyWin(root,no)    print "Canceled",noroot=Tk()win_number=0Button(root, text="New Window",command=new_window).pack()root.mainloop()----when I run it and create 3 windows (0,1 and 2), and then "<Escape>" themin the order of their creation I get the following:Showing 0Showing 1Showing 2Canceling 0Canceling 1Canceling 2Canceled 2Canceled 1Canceled 0it seems that MyWin(root,x) for a window only returns, after the MyWin() forall the windows created AFTER x have returned (?!)Am I making any sense? Does anyone have an explanation, or - preferably - a fix ?Thanks in advance,Alex

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