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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 write_volume(self):
 """Writes the current volume to the data.json"""

        # Update the volume
        data = datatools.get_data()
        data["discord"]["servers"][self.server_id][_data.modulename]["volume"] = self.volume
        datatools.write_data(data)