def clean() -> None:
    os.remove(os.path.join(cd, 'ttsdk.7z'))
    shutil.rmtree(os.path.join(cd, 'ttsdk'))
def clean() -> None:
    os.remove(os.path.join(cd, 'ttsdk.7z'))
    shutil.rmtree(os.path.join(cd, 'ttsdk'))