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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 drag_rectangle_on_map_canvas(self):
 """Hide the dialog and allow the user to draw a rectangle."""


        self.hide()
        self.rectangle_map_tool.reset()
        self.canvas.unsetMapTool(self.pan_tool)
        self.canvas.setMapTool(self.rectangle_map_tool)