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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 _check_config(self):
 """ Check presence of default config files. :rtype: bool """

        current_path = os.path.relpath(os.getcwd())

        accepted_files = ["orator.yml", "orator.py"]
        for accepted_file in accepted_files:
            config_file = os.path.join(current_path, accepted_file)
            if os.path.exists(config_file):
                if self._handle_config(config_file):
                    return True

        return False