5.以下选项中不是 Python 语言的保留字的是( )。
A. while
B. do
C. except
D. pass
4.下面代码的输出结果是( )。>>> vlist = list(range(5))>>> print(vlist)
A. [0, 1, 2, 3, 4]
B. 0,1,2,3,4
C. 0 1 2 3 4
D. 0;1;2;3;4
3.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, '2020']]
B. ['2020', '20.20', 'Python', 2020, 2020, '2020']
C. ['2020', '20.20', 'Python', 2020]
D. ['2020', '20.20', 'Python', 2020, ['2020']]