Question 1mediummultiple choice
Full question →- A
C
Why wrong: Requires score >= 70 but earlier condition matched.
- B
A
Why wrong: Requires score >= 90.
- C
B
85 satisfies the second if-elif.
- D
F
Why wrong: Score is not below 70.
Question 385 of 510
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.
A student grades system:
score = 85
if score >= 90:
grade = 'A' elif score >= 80: grade = 'B' elif score >= 70: grade = 'C' else: grade = 'F'
What grade is assigned?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
B
The code uses a cascading if-elif-else structure. Since score is 85, the first condition (score >= 90) is False, so it moves to the elif score >= 80 condition, which is True, assigning grade = 'B'. The remaining elif and else are skipped, making 'B' the correct grade.
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.
- ✗
C
Why it's wrong here
Requires score >= 70 but earlier condition matched.
- ✗
A
Why it's wrong here
Requires score >= 90.
- ✓
B
Why this is correct
85 satisfies the second if-elif.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
F
Why it's wrong here
Score is not below 70.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates might mistakenly think the last matching condition (score >= 70) applies, ignoring that the elif chain stops at the first True condition, leading them to pick 'C' instead of 'B'.
Detailed technical explanation
How to think about this question
In Python, the if-elif-else chain evaluates conditions sequentially from top to bottom, and the first True condition's block executes, skipping the rest. This is known as short-circuit evaluation in control flow. In real-world grading systems, such logic ensures that only one grade is assigned per score, preventing overlapping conditions from causing multiple assignments.
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.
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FAQ
Questions learners often ask
What does this PCEP question test?
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: B — The code uses a cascading if-elif-else structure. Since score is 85, the first condition (score >= 90) is False, so it moves to the elif score >= 80 condition, which is True, assigning grade = 'B'. The remaining elif and else are skipped, making 'B' the correct grade.
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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Last reviewed: Jun 25, 2026
This PCEP practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCEP exam.
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