PCEP Practice Question: Data Types, Variables, Basic I/O and Operators
Exhibit
Refer to the exhibit. Command output: >>> 5 // 2 2 >>> 5 % 2 1 >>> 5 / 2 2.5
Based on the exhibit, which expression returns 2.5 in Python?
⚠ Common exam trap
Python Institute often tests the distinction between `/` (true division returning float) and `//` (floor division returning integer), trapping candidates who confuse the two or expect integer division from `/` as in Python 2.
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
✓
5 / 2
The division operator `/` in Python always returns a float, even when dividing two integers. Since 5 divided by 2 equals 2.5, the expression `5 / 2` returns the float `2.5`.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
int(5 / 2)
Why it's wrong here
int(2.5) returns 2.
- ✗
5 % 2
Why it's wrong here
Modulo returns 1.
- ✗
5 // 2
Why it's wrong here
Floor division returns 2.
- ✓
5 / 2
Why this is correct
True division returns 2.5.
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