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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 _apply_properties(widget, properties={}):
 """Applies the specified properties to the widget. `properties` is a dictionary with key value pairs corresponding to the properties to be applied to the widget. """

    with widget.hold_sync():
        for key, value in properties.items():
            setattr(widget, key, value)