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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 save( self ):
 """ Save method for the ExpectedValue of a call. """

        packets = self.__enumerate_packets()
        delete_expected_value(self.call_hash)
        for packet in packets:
            packet['call_hash'] = self.call_hash
            insert_expected_value(packet)

        return self