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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _show(self):
 """Show the tray icon."""

        if not self._icon:
            self._icon = self._create_statusicon()
        widget = self._icon
        widget.set_visible(True)
        self._conn_left = widget.connect("activate", self._activate)
        self._conn_right = widget.connect("popup-menu", self._popup_menu)