Prompt Engineering Fundamentals
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Correct answer: B. Your first attempt is a draft, and you refine it based on the response that comes back
Explanation
The principle — Model output is not deterministic, so the same wording can produce different results on different days. That makes prompting a test-and-revise loop rather than a one-time authoring job.
Why the key is correct — Google states that prompt design can sometimes require a few iterations before you consistently get the response you are looking for, and describes the whole activity as test-driven. Treating the first response as feedback on the prompt is the loop.
Why the others are wrong — Declaring the prompt finished on send mistakes authoring for testing. Leaving the request open-ended trades precision for guessing. Shortening on every pass optimises a variable that was never the problem.
Remember this — The first prompt is a draft. What you do with the first response is the skill.
Sources — Google, Prompt design strategies.
Sources
“Prompt design can sometimes require a few iterations before you consistently get the response you're looking for.”
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