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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_teletext(p_mi, i_page):
    '''Set new teletext page to retrieve.
    @param p_mi: the media player.
    @param i_page: teletex page number requested.
    '''
    f = _Cfunctions.get('libvlc_video_set_teletext', None) or \
        _Cfunction('libvlc_video_set_teletext', ((1,), (1,),), None,
                    None, MediaPlayer, ctypes.c_int)
    return f(p_mi, i_page)