Given `d = {'a': 1, 'b': 2}`, what does `d.items()` return?

A view of key-value pairs as tuples: dict_items([('a', 1), ('b', 2)])

A view of keys: dict_keys(['a', 'b'])

A program maintains a dictionary `scores = {'alice': 10, 'bob': 20, 'carol': 30}`. The developer must remove the key `'bob'` and capture its value in a variable `removed` for logging. Which code accomplishes this?

`removed = scores['bob']; del scores['bob']`

`removed = scores.get('bob'); del scores['bob']`

Python InstitutePCEP - Certified Entry-Level Python Programmer

Domain 3Objective 3

PCEP-30-02 3.3 Collect and Process Data Using Dictionaries PCEP-30 Practice Questions (Page 3)

Part of the Data Collections Tuples, Dictionaries, Lists, and Strings domain, which accounts for 25% of the PCEP-30 exam. Python Institute does not publish an official question count, but from its 45-minute exam (~20–30 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 19 practice questions to prepare you well beyond it. (estimate)

19questions here

4free pages

9concepts

25%of the exam

Questions 11–15

11foundation · easy
Given `d = {'a': 1, 'b': 2}`, what does `d.items()` return?
Select an answer first
12foundation · easy
Given `d = {'a': 1}`, what is the result of `d.get('b', 0)`?
Select an answer first
13application · medium
A program maintains a dictionary `scores = {'alice': 10, 'bob': 20, 'carol': 30}`. The developer must remove the key `'bob'` and capture its value in a variable `removed` for logging. Which code accomplishes this?
Select an answer first
14foundation · easy
Given `d = {'x': 10}`, what is the result of `'y' in d`?
Select an answer first
15foundation · easy
Given `d = {'a': 1, 'b': 2}`, what does the following loop print? ```python for key in d: print(key) ```
Select an answer first

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PCEP-30-02 3.3 Collect and Process Data Using Dictionaries PCEP-30 Practice Questions (Page 3)

Questions 11–15

Given `d = {'a': 1, 'b': 2}`, what does `d.items()` return?

Given `d = {'a': 1}`, what is the result of `d.get('b', 0)`?

A program maintains a dictionary `scores = {'alice': 10, 'bob': 20, 'carol': 30}`. The developer must remove the key `'bob'` and capture its value in a variable `removed` for logging. Which code accomplishes this?

Given `d = {'x': 10}`, what is the result of `'y' in d`?

Given `d = {'a': 1, 'b': 2}`, what does the following loop print? ```python for key in d: print(key) ```

Keep studying — Data Collections Tuples, Dictionaries, Lists, and Strings