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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 cleanJsbConfig(self, jsbconfig):
 """ Clean up the JSB config. """

        config = json.loads(jsbconfig)
        self._cleanJsbAllClassesSection(config)
        self._cleanJsbAppAllSection(config)
        return json.dumps(config, indent=4)