• 2022-06-19
    下面代码的执行结果是:‪‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‫‪‪‪‪‪‪‫‪‪‪‪‪‪‫ ls = ["2020", "20.20", "Python"] ls.append(2020) ls.append([2020, "2020"]) print(ls)
    A: ['2020', '20.20', 'Python', 2020, ['2020']]
    B: ['2020', '20.20', 'Python', 2020, 2020, '2020']
    C: ['2020', '20.20', 'Python', 2020]
    D: ['2020', '20.20', 'Python', 2020, [2020, '2020']]
  • D

    举一反三

    内容

    • 0

      下面代码的执行结果是()。 ls = [“2020”, “20.20”, “Python”] ls.append(2020) ls.append([2020, “2020”])print(ls)

    • 1

      ls = [“2020”, “20.20”, “Python”] ls.append(2020) ls.extend([2020, “2020”]) 执行完以上代码后ls的值是:

    • 2

      下面代码的执行结果是: ls = [“2020”, “2020”, “Python”] ls.append(2020) ls.append([2020, “2020”]) print(ls): [‘2020’, ‘2020’, ‘Python’, 2020, 2020, ‘2020’]|[‘2020’, ‘2020’, ‘Python’, 2020, [2020, ‘2020’]]|[‘2020’, ‘2020’, ‘Python’, 2020, [‘2020’]]|[‘2020’, ‘2020’, ‘Python’, 2020]

    • 3

      以下代码的输出结果是( )ls = [“2020”,”1903”,”Python”]ls.append(2050)ls.append([2020,”2020”])print(ls) A: [‘2020’,’1903’,’Python’,2020,[2050,’2020’]] B: [‘2020’,’1903’,’Python’,2020] C: [‘2020’,’1903’,’Python’,2050,[2020,’2020’]] D: [‘2020’,’1903’,’Python’,2050,[‘2020’]]

    • 4

      阅读以下程序,其运行结果为( ) ls=['2020','1903','Python'] Is.append(2050) Is.append([2020,'2020']) print(ls) A: ['2020', '1903', 'Python', 2050, 2020, '2020'] B: ['2020', '1903', 'Python', 2050, [2020, '2020']] C: ['2020', '1903', 'Python', 2050] D: ['2020', '1903', 'Python', 2050, [ '2020']]