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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 generateImplicitParameters(obj):
 """ Generate a UID if one does not exist. This is just a dummy implementation, for now. """

        if not hasattr(obj, 'uid'):
            rand = int(random.random() * 100000)
            now = datetime.datetime.now(utc)
            now = dateTimeToString(now)
            host = socket.gethostname()
            obj.add(ContentLine('UID', [], "{0} - {1}@{2}".format(now, rand,
                                                                  host)))