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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 restore_geometry_state(self, gs):
 """Restore the position of the main window and the docks. The gui widgets need to be recreated first. This function can be called in `on_show()`. """

        if not gs:
            return
        if gs.get('geometry', None):
            self.restoreGeometry((gs['geometry']))
        if gs.get('state', None):
            self.restoreState((gs['state']))