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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 loadAddressbyID(self, id, callback=None, errback=None):
 """ Load an existing address by ID into a high level Address object :param int id: id of an existing Address """

        import ns1.ipam
        address = ns1.ipam.Address(self.config, id=id)
        return address.load(callback=callback, errback=errback)