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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 clean(path: str) -> str: """ Cleans the specified path by expanding shorthand elements, redirecting to the real path for symbolic links, and removing any relative components to return a complete, absolute path to the specified location. :param path: The source path to be cleaned """


    if not path or path == '.':
        path = os.curdir

    if path.startswith('~'):
        path = os.path.expanduser(path)

    return os.path.realpath(os.path.abspath(path))