<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def libvlc_media_list_player_is_playing(p_mlp):
    '''Is media list playing?
    @param p_mlp: media list player instance.
    @return: true for playing and false for not playing \libvlc_return_bool.
    '''
    f = _Cfunctions.get('libvlc_media_list_player_is_playing', None) or \
        _Cfunction('libvlc_media_list_player_is_playing', ((1,),), None,
                    ctypes.c_int, MediaListPlayer)
    return f(p_mlp)