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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 getNetworkIDs(self):
 """Return a list of network id of this system."""


        res = []
        i = 0
        while True:
            netid = self.getValue("net_interface.%d.connection" % i)
            if not netid:
                return res
            res.append(netid)
            i += 1