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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 read(author, kind):
 """ Attempts to read the cache to fetch missing arguments. This method will attempt to find a '.license' file in the 'CACHE_DIRECTORY', to read any arguments that were not passed to the license utility. Arguments: author (str):
 The author passed, if any. kind (str):
 The kind of license passed, if any. Throws: LicenseError, if there was a cache miss or I/O error. """


    if not os.path.exists(CACHE_PATH):
        raise LicenseError('No cache found. You must '
                           'supply at least -a and -k.')

    cache = read_cache()

    if author is None:
        author = read_author(cache)
    if kind is None:
        kind = read_kind(cache)

    return author, kind