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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 load_config(self):
 """ Load your configuration settings from a file """

        conf_file = os.path.join(self._conf_dir, "dql.json")
        if not os.path.exists(conf_file):
            return {}
        with open(conf_file, "r") as ifile:
            return json.load(ifile)