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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 libvlc_media_library_media_list(p_mlib):
    '''Get media library subitems.
    @param p_mlib: media library object.
    @return: media list subitems.
    '''
    f = _Cfunctions.get('libvlc_media_library_media_list', None) or \
        _Cfunction('libvlc_media_library_media_list', ((1,),), class_result(MediaList),
                    ctypes.c_void_p, MediaLibrary)
    return f(p_mlib)