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Interview Strategy · interview question

What does a strong engineer do when reasoning through thinking aloud through code code?

Multiple choiceMediumchapter-20-curatedpremiuminterview-strategythinking-aloud-through-code
python
def running_total(lines: list[int]) -> int:
    total = 0
    for line in lines:
        total += line
    return total
Choose one answer
Answer and explanation

Correct answer

C. Narrate the data shape, the state changes, and the exact rule order step by step.

Why

Interviewers often use simple code to test whether you can reason through execution without bluffing.

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