Technology & Coding

Prompting AI Tools Effectively

Write prompts that get usable answers on the first or second try, and know why they work when they do.

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What you will learn about Prompting AI Tools Effectively

The 7-day sprint
  1. A Prompt Is Four Decisions, Not One Sentence. Every good prompt makes four decisions for the model: who it should be, what exact action to take, what background it needs, and what the answer should look like.
  2. Define Success Before You Write the Prompt. You cannot improve a prompt until you can say, in checkable terms, what a good answer would contain.
  3. Placement and Delimiters. Where you put material inside a prompt changes the answer, and long inputs belong near the top with your question at the end.
  4. Show Examples to Control Format. A couple of worked examples pins down the shape of the output far more reliably than describing the shape in words.
  5. Asking for Reasoning, and Knowing When It Helps. Making the model write intermediate steps before its answer helps on multi-step problems, and helps much less on everything else.
  6. Iterate Like an Engineer, and Set the Dials Correctly. Improve prompts by rerunning a fixed set of test cases and changing one thing at a time, and understand what the model's settings actually do.
  7. Context, Tools, and the Injection Problem. Once a model has files, tools, or a long conversation, the job shifts from wording a question to curating everything in the context window, and to assuming untrusted text can hijack it.
The 80/20: the 7 concepts that matter most
  • Persona, Task, Context, Format
  • Define Success, Then Iterate
  • Put the Material First and the Question Last
  • Show, Do Not Describe
  • Reasoning on Demand, Not by Default
  • The Model Cannot Tell Instructions From Data
  • Know What the Dials Actually Do
The core idea, explained like you are 5

A model has no memory of you and no knowledge of your situation beyond the text sitting in front of it right now, so a prompt is not a command you issue, it is the context you assemble, and the answer is a continuation of that context.

Then the quiz and the ladder

10 questions that correct you when you are wrong, and beginner, intermediate, advanced levels, each with a practical exercise.

Created Sep 13, 2026. No mistakes have been reported by learners.

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