• 2022-06-26
    以下程序的输出结果是:
    frame
    = [[1,2,3],[4,5,6],[7,8,9]]; rgb
    = frame[::-1]; print(rgb)
    A: [[7, 8, 9], [4, 5, 6], [1, 2, 3]]
    B: [[1, 2, 3], [4, 5, 6]]
    C: [[7, 8, 9]]
    D: [[1,2,3],[4,5,6],[7,8,9]]