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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_player_get_media(p_mi):
    '''Get the media used by the media_player.
    @param p_mi: the Media Player.
    @return: the media associated with p_mi, or NULL if no media is associated.
    '''
    f = _Cfunctions.get('libvlc_media_player_get_media', None) or \
        _Cfunction('libvlc_media_player_get_media', ((1,),), class_result(Media),
                    ctypes.c_void_p, MediaPlayer)
    return f(p_mi)