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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 GetNetworkAddressWithTime(self):
 """ Get a network address object. Returns: NetworkAddressWithTime: if we have a connection to a node. None: otherwise. """

        if self.port is not None and self.host is not None and self.Version is not None:
            return NetworkAddressWithTime(self.host, self.port, self.Version.Services)
        return None