def handle_keyrelease(self, event):
        """
        Event handler for the keyrelease event on this widget.
        
        :param event: Tkinter event
        """
        if event.keysym == "BackSpace":
            self.delete(self.index(tk.INSERT), tk.END)
            self.position = self.index(tk.END)
        if event.keysym == "Left":
            if self.position < self.index(tk.END):  # delete the selection
                self.delete(self.position, tk.END)
            else:
                self.position -= 1  # delete one character
                self.delete(self.position, tk.END)
        if event.keysym == "Right":
            self.position = self.index(tk.END)  # go to end (no selection)
        if event.keysym == "Return":
            self.handle_return(None)
            return
        if len(event.keysym) == 1:
            self.autocomplete()
def handle_keyrelease ( self , event ) : if event . keysym == "BackSpace" : self . delete ( self . index ( tk . INSERT ) , tk . END ) self . position = self . index ( tk . END ) if event . keysym == "Left" : if self . position < self . index ( tk . END ) : self . delete ( self . position , tk . END ) else : self . position -= 1 self . delete ( self . position , tk . END ) if event . keysym == "Right" : self . position = self . index ( tk . END ) if event . keysym == "Return" : self . handle_return ( None ) return if len ( event . keysym ) == 1 : self . autocomplete ( )
Event handler for the keyrelease event on this widget.
        
        :param event: Tkinter event