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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 launch_keyword_wizard(self):
 """Launch keyword creation wizard."""

        # make sure selected layer is the output layer
        if self.iface.activeLayer() != self.output_layer:
            return

        # launch wizard dialog
        keyword_wizard = WizardDialog(
            self.iface.mainWindow(), self.iface, self.dock_widget)
        keyword_wizard.set_keywords_creation_mode(self.output_layer)
        keyword_wizard.exec_()