Anatomy of a good prompt
"Summarise this email" works in a demo and fails on the hundredth real email. A good prompt reads like a brief you would give a sharp new colleague on their first day: what the job is, who it is for, what good looks like.
In this lesson you'll learn to
- Name the parts of a strong prompt, from context and task to constraints and output format.
- Rewrite a vague prompt so it's specific, explains why, and says what to do rather than what not to do.
- Decide what belongs in the system prompt and what belongs in the user message.
- Diagnose a bad output by finding what the prompt left unsaid.
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