Question 360 of 498
PCEP Computer Programming and Python Fundamentals Practice Question
Which of the following statements about Python indentation is true?
⚠ Common exam trap
Many exam-takers think indentation is merely a style recommendation (like in other languages) or that it only applies to control flow statements, but Python strictly enforces it for all block structures, and mixing tabs with spaces is a common pitfall that leads to runtime errors.
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
✓
Indentation must be consistent within a block.
Python enforces consistent indentation within a block to define the scope of statements. Unlike many languages that use braces, Python relies on the indentation level to group statements, and any inconsistency (e.g., mixing spaces and tabs or varying the number of spaces) will raise an IndentationError.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Indentation is optional but recommended.
Why it's wrong here
It's required.
- ✗
You can mix tabs and spaces freely.
Why it's wrong here
Mixing can cause IndentationError.
- ✓
Indentation must be consistent within a block.
Why this is correct
Correct.
- ✗
Indentation only matters for loops and conditionals.
Why it's wrong here
It matters for all blocks (functions, classes, etc.).
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Last reviewed: Jun 11, 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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