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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_or_create_config(path, prompt=True):
 """ Get or create a Tarbell configuration directory. """

    dirname = os.path.dirname(path)
    filename = os.path.basename(path)

    try:
        os.makedirs(dirname)
    except OSError:
        pass

    try:
        with open(path, 'r+') as f:
            if os.path.isfile(path):
                puts("{0} already exists, backing up".format(colored.green(path)))
                _backup(dirname, filename)
            return yaml.load(f)
    except IOError:
        return {}