• 2022-06-15
    下面代码的输出结果是 [br][/br] a= [1, 2, 3] [br][/br] b= a[:] [br][/br] print(b)(单选题)
    A: []
    B: [1, 2, 3]
    C: 0xF0A9
    D: [3,2,1]