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dictionary

Authored by Shiwen Zhang

Computers

University

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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个选项是一个字典

x = ('apple', 'banana', 'cherry')

x = {'type' : 'fruit', 'name' : 'banana'}

x = ['apple', 'banana', 'cherry']

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

词典创建后,词典条目就无法删除。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

字典不能有两个同名的键。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

您可以通过引用键名来访问字典项。

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

使用该get方法打印字典中“model”键的值car。

car = { "brand": "Ford", "model": "Mustang", "year": 1964 }

print( (a)   )

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

考虑以下代码:打印结果是什么?

x = {'type' : 'fruit', 'name' : 'banana'}
print(x['type'])

banana

fruit

type = 'fruit'

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

考虑以下代码

x = {'type' : 'fruit', 'name' : 'banana'}

哪个代码可以把fruit改为berry

x{'type'} = 'berry'

x['type'] = 'berry'

x.get('type') = 'berry'

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