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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_set_position(p_mi, f_pos):
    '''Set movie position as percentage between 0.0 and 1.0.
    This has no effect if playback is not enabled.
    This might not work depending on the underlying input format and protocol.
    @param p_mi: the Media Player.
    @param f_pos: the position.
    '''
    f = _Cfunctions.get('libvlc_media_player_set_position', None) or \
        _Cfunction('libvlc_media_player_set_position', ((1,), (1,),), None,
                    None, MediaPlayer, ctypes.c_float)
    return f(p_mi, f_pos)