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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 help_toggled(self, flag):
 """Show or hide the help tab in the stacked widget. :param flag: Flag indicating whether help should be shown or hidden. :type flag: bool """

        if flag:
            self.help_button.setText(self.tr('Hide Help'))
            self.show_help()
        else:
            self.help_button.setText(self.tr('Show Help'))
            self.hide_help()