The correct output is 0 1 2, because the break statement in the for loop immediately terminates the loop when the condition i == 3 is met, preventing the print(i) statement from executing for 3 or any subsequent numbers. This demonstrates how break provides an early exit from a loop, overriding the normal iteration through range(5). On the PCEP exam, this concept frequently appears in predicting output questions, testing your understanding of control flow and the precise moment a loop halts. A common trap is assuming the loop prints the value that triggers the break, but remember: break exits before executing any remaining code in that iteration. For a quick memory tip, think of break as a "bouncer" that kicks the loop out the moment its condition is true, so the triggering value never gets printed.
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.
for i in range(5):
if i == 3:
continue
print(i, end=' ')
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
0 1 2 4
The code uses a for loop with range(5) to iterate over numbers 0 through 4. Inside the loop, an if statement checks if the current number equals 3; if true, the break statement exits the loop immediately. Therefore, when i becomes 3, the loop terminates before printing 3, so the output is '0 1 2' (each on a new line due to print(i) default behavior). Option C correctly lists the printed values as 0, 1, 2, and then 4 is not printed because the loop breaks before reaching 4.
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.
✗
No output
Why it's wrong here
Prints for i=0,1,2,4.
✗
0 1 2 3 4
Why it's wrong here
Continue skips 3.
✓
0 1 2 4
Why this is correct
Correct: 3 is skipped.
Related concept
Read the scenario before looking for a memorised answer.
✗
0 1 2 4 5
Why it's wrong here
Range ends at 4.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Python Institute often tests the interaction between break and loop iteration order, where candidates mistakenly think break skips only the current iteration (like continue) or that the loop continues after the break condition is met.
Detailed technical explanation
How to think about this question
The break statement in Python immediately terminates the innermost enclosing loop, skipping any remaining iterations. In this case, the loop variable i is assigned values from the range(5) iterator, which yields 0, 1, 2, 3, 4. When i equals 3, the condition i == 3 is true, so break executes, and control jumps to the first statement after the loop. This behavior is fundamental for early exit patterns, such as searching for an element in a list and stopping once found.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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: 0 1 2 4 — The code uses a for loop with range(5) to iterate over numbers 0 through 4. Inside the loop, an if statement checks if the current number equals 3; if true, the break statement exits the loop immediately. Therefore, when i becomes 3, the loop terminates before printing 3, so the output is '0 1 2' (each on a new line due to print(i) default behavior). Option C correctly lists the printed values as 0, 1, 2, and then 4 is not printed because the loop breaks before reaching 4.
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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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.
Question Discussion
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