PCPP1 Best Practices And Coding Conventions Practice Question
According to PEP 257, what is the standard format for a single-line docstring?
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
✓
Use triple quotes and keep the summary on the same line, ending with a period.
A single-line docstring should be on the same line as the opening triple quotes, ending with a period.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a single quote for the entire block.
Why it's wrong here
Triple quotes are required for docstrings.
- ✗
The docstring should span three lines including the summary.
Why it's wrong here
That is for multi-line docstrings.
- ✗
The summary should start on the next line.
Why it's wrong here
PEP 257 suggests keeping it on the same line for brevity.
- ✓
Use triple quotes and keep the summary on the same line, ending with a period.
Why this is correct
This is the recommended convention for short docstrings.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Python Institute exam blueprint
This PCPP1 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 PCPP1 exam.