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l3 Iterative Prompt Dev

GPTClaudeGemini··▲ 678 copies·updated 2026-07-14

l3-iterative-prompt-dev.prompt

# Lesson3: Iterative Prompt Development

## Overview

In this lesson, you'll iteratively `analyze` and `refine` your prompts to generate **marketing copy** from a product fact sheet.

## Iterative Prompt Development Process

<img src="./img/l3-iterative-prompt-dev0.png" width="600" style="border:0px solid #FFFFFF; padding:1px; margin:1px">

### Recall Guidelines  

<img src="./img/l3-iterative-prompt-dev1.png" width="600" style="border:0px solid #FFFFFF; padding:1px; margin:1px">



### Application example : Generate a marketing product description from a product fact sheet

when to use it

Community prompt sourced from the open-source GitHub repo afondiel/ChatGPT-Prompt-Engineering-DeepLearningAI (no explicit license). A "l3 Iterative Prompt Dev" style prompt — adapt the placeholders and specifics to your task. Imported as-is and not independently retested here, so check the output before relying on it.