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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 initialize(self, argv=None):
 """Handle specific configurations."""

        # Parse configuration items on command line.
        self.parse_command_line(argv)
        if self.config_file:
            self.load_config_file(self.config_file)

        # Initialize objects to interact with.
        self.kubeconf = KubeConf()
        self.cluster_list = ClusterList(kubeconf=self.kubeconf)
        self.hub_list = HubList(kubeconf=self.kubeconf)