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FastAPI · interview question

Another engineer will maintain this code later. What choice helps the most around validation?

Multiple choiceMediumchapter-13-curatedpremiumfastapivalidation
Choose one answer
Answer and explanation

Correct answer

B. Make the rule obvious in names, flow, and boundaries so the next reader does not have to reverse-engineer your intent.

Why

Maintainability comes from explicit intent. Interviewers often reward explicit boundary validation because it keeps system layers honest.

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