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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 clear_layout(layout: QLayout) -> None: """Clear the layout off all its components"""

    if layout is not None:
        while layout.count():
            item = layout.takeAt(0)
            widget = item.widget()
            if widget is not None:
                widget.deleteLater()
            else:
                clear_layout(item.layout())