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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 dockDetailPane(self, detailPane, title=None, area=None):
 """ Creates a dockWidget and add the detailPane with a default title. By default the detail widget is added to the Qt.LeftDockWidgetArea. """

        title = detailPane.classLabel() if title is None else title
        area = Qt.LeftDockWidgetArea if area is None else area
        dockWidget = self.dockWidget(detailPane, title, area)
        # TODO: undockDetailPane to disconnect
        dockWidget.visibilityChanged.connect(detailPane.dockVisibilityChanged)
        if len(self._detailDockWidgets) > 0:
            self.tabifyDockWidget(self._detailDockWidgets[-1], dockWidget)
        self._detailDockWidgets.append(dockWidget)
        return dockWidget