• 2022-06-04
    下面代码的输出结果是 ls1 = [1,2,3] ls2 = [4,5,6] print(ls1+ls2)
    A: [4,5,6]
    B: [1, 2, 3, 4, 5, 6]
    C: [1,2,3]
    D: [5,7,9]