PCEP Control Flow, Loops, Lists and Logic Practice Question
This PCEP practice question tests your understanding of control flow, loops, lists and logic. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Exhibit
Refer to the exhibit.
data = [{'name': 'Alice', 'age': 30}, {'name': 'Bob', 'age': 25}]
for person in data:
if person['age'] >= 26:
print(person['name'])
elif person['age'] < 20:
print('Too young')
else:
print('Check')
Refer to the exhibit.
data = [{'name': 'Alice', 'age': 30}, {'name': 'Bob', 'age': 25}]
for person in data:
if person['age'] >= 26:
print(person['name'])
elif person['age'] < 20:
print('Too young')
else:
print('Check')
A
Alice
Check
Correct: Alice prints because age>=26; Bob prints 'Check' from else.
B
Alice
Why wrong: Bob also outputs something.
C
Alice
Too young
Why wrong: Bob is 25, not less than 20.
D
Alice
Bob
Why wrong: Bob is not printed because the condition for Bob fails.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Alice
Check
The code uses a for loop to iterate over a list of names. For each name, it checks if the length of the name is less than 5. 'Alice' has length 5, so the condition is false and the loop continues to the next iteration without printing anything. 'Bob' has length 3, which is less than 5, so 'Bob' is printed. After the loop, the code prints 'Check'. Therefore, the output is 'Bob' followed by 'Check' on separate lines. Option A is correct because it matches this output.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Alice
Check
Why this is correct
Correct: Alice prints because age>=26; Bob prints 'Check' from else.
Related concept
Read the scenario before looking for a memorised answer.
✗
Alice
Why it's wrong here
Bob also outputs something.
✗
Alice
Too young
Why it's wrong here
Bob is 25, not less than 20.
✗
Alice
Bob
Why it's wrong here
Bob is not printed because the condition for Bob fails.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Python Institute often tests the understanding that a loop's body may not execute for all elements, and that code after the loop always runs, leading candidates to incorrectly include or exclude the final print statement.
Trap categories for this question
Command / output trap
Bob also outputs something.
Detailed technical explanation
How to think about this question
The for loop iterates over each element in the list. The condition `if len(name) < 5` checks the string length; strings with length 5 or more do not trigger the print inside the loop. After the loop completes, the final `print('Check')` executes unconditionally. This demonstrates how loop control flow and conditional logic combine to produce output.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the PCEP exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Control Flow, Loops, Lists and Logic — This question tests Control Flow, Loops, Lists and Logic — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Alice
Check — The code uses a for loop to iterate over a list of names. For each name, it checks if the length of the name is less than 5. 'Alice' has length 5, so the condition is false and the loop continues to the next iteration without printing anything. 'Bob' has length 3, which is less than 5, so 'Bob' is printed. After the loop, the code prints 'Check'. Therefore, the output is 'Bob' followed by 'Check' on separate lines. Option A is correct because it matches this output.
What should I do if I get this PCEP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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