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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 custom_parser(self, json_text=None):
 """Runs json_text thru custom parsers. """

        app_config = django_apps.get_app_config("django_collect_offline")
        for json_parser in app_config.custom_json_parsers:
            json_text = json_parser(json_text)
        return json_text