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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_normalized_args(parser):
 """Return the parsed command line arguments. Support the case when executed from a shebang, where all the parameters come in sys.argv[1] in a single string separated by spaces (in this case, the third parameter is what is being executed) """

    env = os.environ
    if '_' in env and env['_'] != sys.argv[0] and len(sys.argv) >= 1 and " " in sys.argv[1]:
        return parser.parse_args(shlex.split(sys.argv[1]) + sys.argv[2:])
    else:
        return parser.parse_args()