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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 hook_drop(self):
 """ Install hooks for drop operations. """

        widget = self.widget
        widget.setAcceptDrops(True)
        widget.dragEnterEvent = self.dragEnterEvent
        widget.dragMoveEvent = self.dragMoveEvent
        widget.dragLeaveEvent = self.dragLeaveEvent
        widget.dropEvent = self.dropEvent