2-列表与元组
Authored by Yilin Chen
Computers
University
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下面属于可变变量的是？
int
string
list
tuple
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
已知列表A=[1,2,3,4]，请问A[1]和A[-1]的值分别为：
1，4
2，3
1，3
2，4
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
已知列表A=[1,2,3,4,5],我们想要将列表中的元素 3 删除，下列操作错误的是：
A.pop(2)
del A[3]
A.remove(3)
del A[2]
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
已知列表A=[1,2,3,4],我们想要向列表中添加元素 5 得到列表[1,2,3,4,5]，下列操作错误的是：
A.append(5)
A+[5]
A.extend([5])
A.insert(5)
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
已知列表A=[1,2,4,5],我们想要向列表中添加元素 3 得到列表[1,2,3,4,5]，下列操作正确的是：
A.append(2,3)
A.append(3,2)
A.insert(2,3)
A.insert(3,2)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
对列表经过一系列的切片操作后，输出的结果为:
[3,2]
[1]
[2]
[3]
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
对列表进行下列操作后，输出结果为：
A=[1,2,3]
A.insert(3,2)
A.append(4)
A.sort()
print(A)
[1,2,2,3,4]
[1,2,3,3]
[2,2,3,4]
None
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