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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 focusInEvent(self, event):

 """Handle focus in event restoring to display the status icon."""

        show_status = getattr(self.lineEdit(), 'show_status_icon', None)
        if show_status:
            show_status()
        QComboBox.focusInEvent(self, event)