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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 addtrack(self, shipment_increment_id, carrier, title, track_number):
 """ Add new tracking number :param shipment_increment_id: Shipment ID :param carrier: Carrier Code :param title: Tracking title :param track_number: Tracking Number """

        return self.call(
            'sales_order_shipment.addTrack',
            [shipment_increment_id, carrier, title, track_number]
        )