PCPP1 Advanced Object Oriented Programming Practice Question
What does the @abstractmethod decorator do when applied to a method inside an ABC?
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
✓
It requires the subclass to implement the method.
It marks the method as requiring an override in any non-abstract concrete subclass.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It requires the subclass to implement the method.
Why this is correct
This is the core requirement of ABCs.
- ✗
It prevents the method from being called.
Why it's wrong here
It can be called if overridden.
- ✗
It automatically generates a default implementation.
Why it's wrong here
You can provide a default, but it's not automatic.
- ✗
It makes the method faster.
Why it's wrong here
It has no performance impact.
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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.