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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 get_license_checker_config_path(config_dir='.'):
 # type: (str) -> List[str] """Checks for local config overrides for license checker, if not found it returns the package default. :param config_dir: :return: str """

    if LICENSE_CHECKER_CONFIG_NAME in os.listdir(config_dir):
        license_checker_config_path = LICENSE_CHECKER_CONFIG_NAME
    else:
        license_checker_config_path = DEFAULT_LICENSE_CHECKER_CONFIG_PATH

    return license_checker_config_path