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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_video_set_marquee_string(p_mi, option, psz_text):
    '''Set a marquee string option.
    @param p_mi: libvlc media player.
    @param option: marq option to set See libvlc_video_marquee_string_option_t.
    @param psz_text: marq option value.
    '''
    f = _Cfunctions.get('libvlc_video_set_marquee_string', None) or \
        _Cfunction('libvlc_video_set_marquee_string', ((1,), (1,), (1,),), None,
                    None, MediaPlayer, ctypes.c_uint, ctypes.c_char_p)
    return f(p_mi, option, psz_text)