Quick Answer
The correct output is 2.25. This result comes from Python’s true division operator (/), which always returns a float, even when dividing two integers. In the expression 9 / 4, Python 3 performs floating-point division, yielding 2.25 rather than truncating to 2. On the Certified Entry-Level Python Programmer PCEP exam, this question tests your understanding of the fundamental difference between true division (/) and floor division (//). A common trap is assuming integer division produces an integer result, as it does in Python 2 or with the // operator. Remember: the single slash always gives a float, so 9 / 4 is never 2—it is always 2.25. For a quick memory tip, think “True division = Float forever.”
This PCEP practice question tests your understanding of computer programming and python fundamentals. 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.
Refer to the exhibit. >>> x = 4.5 >>> y = 2 >>> print(x // y)
What is the output?
Refer to the exhibit. >>> x = 4.5 >>> y = 2 >>> print(x // y)
2.25
Why wrong: That would be regular division.
Error
Why wrong: No error.
2.0
Floor division of float returns float.
2
Why wrong: Integer division would give 2, but result is float.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
2.0
The expression `9 / 4` in Python 3 performs true division, which always returns a float. Since 9 divided by 4 equals 2.25, the output is `2.25`. Option C is correct because it matches this result.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
2.25
Why it's wrong here
That would be regular division.
Error
Why it's wrong here
No error.
2.0
Why this is correct
Floor division of float returns float.
Related concept
Read the scenario before looking for a memorised answer.
2
Why it's wrong here
Integer division would give 2, but result is float.
Common exam traps
Python Institute often tests the distinction between true division (`/`) and floor division (`//`), where candidates mistakenly expect integer division or forget that `/` always returns a float in Python 3.
Detailed technical explanation
In Python 3, the `/` operator always returns a float, even if both operands are integers. This differs from Python 2, where `/` performed floor division on integers. The result `2.25` is a float, and the print function outputs it as `2.25` without trailing zeros. This behavior is defined in PEP 238, which changed the division operator to return floats for true division.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Computer Programming and Python Fundamentals — This question tests Computer Programming and Python Fundamentals — Read the scenario before looking for a memorised answer..
The correct answer is: 2.0 — The expression `9 / 4` in Python 3 performs true division, which always returns a float. Since 9 divided by 4 equals 2.25, the output is `2.25`. Option C is correct because it matches this result.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A programmer writes: x = 5; y = 2; result = x / y. What is the type of result?
mediumWhy B: In Python 3, the division operator (/) always returns a floating-point number, even if both operands are integers. Since x and y are both integers (5 and 2), the result of 5 / 2 is 2.5, which is of type float. Therefore, option B is correct.
Last reviewed: Jun 30, 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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