IntroductionArtificial Intelligence models like ChatGPT, Copilot, and other large language models (LLMs) are powerful, but they rely on prompts — the instructions we give them. Prompt Engineering is the art and science of crafting those instructions so the AI produces useful, accurate, and creative results.Think of it like asking a friend for help: the clearer your request, the better the response.What is Prompt Engineering?Definition: Prompt Engineering is the practice of designing inputs (prompts) that guide AI models to generate desired outputs.Why it matters: A vague prompt leads to vague answers, while a well-structured prompt can unlock the full potential of AI.Basic Example# Bad Prompt prompt = "Explain Python." # Better Prompt prompt = "Explain Python programming in simple terms for beginners, using examples of how it can be used in web development and data science." 👉 The second prompt is specific, contextual, and audience-focused — leading to a much better response.Techniques in Prompt EngineeringBe SpecificInstead of “Write about AI,” say “Write a 500-word blog post about AI in healthcare, focusing on patient diagnosis.”Provide ContextAdd background info: “Assume the reader is a high school student learning about machine learning for the first time.”Use ExamplesShow the AI what you want: “Generate a quiz with 5 multiple-choice questions, like this example…”IterateRefine prompts step by step until the output matches your needs.Prompt Engineering in PracticeLet’s say you want AI to generate a study flashcard:# Prompt "Create a flashcard for machine learning basics. Front: A question about supervised learning. Back: A short answer with an example." 👉 Output:Front: What is supervised learning?Back: A type of ML where models learn from labeled data. Example: Predicting house prices using past sales data.ConclusionPrompt Engineering is the skill of the future. Whether you’re a developer, data scientist, or student, learning how to “talk to AI” effectively will make you more productive and creative.💡 Student Challenge: Try writing three prompts for the same task (e.g., “summarize a book chapter”) — one vague, one detailed, and one with examples. Compare the outputs and see how much better the AI performs with a well-engineered prompt.

Jonny Peterson

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IntroductionArtificial Intelligence (AI) is one of the most exciting fields in technology today. From chatbots to self-driving cars, AI is transforming how we live, work, and interact with machines. But what exactly is AI, and how does it connect to programming, data, and machine learning?What is AI?Definition: AI is the science of building machines that can perform tasks that normally require human intelligence.Examples of AI tasks:Understanding language (like chatbots).Recognizing images (like face unlock on phones).Making decisions (like recommending movies on Netflix).How AI Relates to MLProgramming gives us the tools to write instructions.Data provides the information machines learn from.Machine Learning teaches computers to find patterns in data.AI uses ML (and other techniques) to simulate human-like intelligence.👉 Think of AI as the umbrella concept, with ML as one of its most powerful tools.Example: Simple AI with PythonLet’s build a very basic AI-like program: a chatbot that responds to greetings.def chatbot(user_input): greetings = ["hello", "hi", "hey"] if user_input.lower() in greetings: return "Hello! How can I help you today?" else: return "I'm still learning, but that's interesting!" # Try it out print(chatbot("Hello")) print(chatbot("What's up?")) 👉 Output:Hello! How can I help you today? I'm still learning, but that's interesting! This is a rule-based AI — simple but a good starting point.AI EthicsAI isn’t just about technology — it’s also about responsibility.Bias: AI can reflect unfair patterns in data.Privacy: AI systems often use personal information.Transparency: We need to understand how AI makes decisions.ConclusionAI is the big picture — the dream of making machines think and act intelligently. It builds on programming, data, and machine learning to create systems that can truly change the world.💡 Student Challenge: Create a simple rule-based chatbot that responds to at least three different types of inputs (greetings, questions, and farewells).

Jonny Peterson

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HTML (HyperText Markup Language) is the foundation of every webpage you’ve ever visited. It provides the structure that browsers interpret to display text, images, links, and interactive elements. Think of HTML as the skeleton of a website—without it, the web would have no shape.Why HTML MattersDefines the structure of web content.Works seamlessly with CSS (for styling) and JavaScript (for interactivity).Universally supported across all browsers.Basic ExampleHere’s a simple HTML snippet:<!DOCTYPE html><html><head><title>My First Page</title></head><body><h1>Hello, World!</h1><p>This is my first HTML blog post.</p></body></html>This code creates a page with a title, a heading, and a paragraph. Simple, yet powerful.Architecture Layout of a Web PageA typical web page architecture looks like this:+-----------------------------+ | Browser | +-----------------------------+ | HTML Layer | <-- Structure +-----------------------------+ | CSS Layer | <-- Styling +-----------------------------+ | JavaScript Layer | <-- Behavior +-----------------------------+ | Server/Database | <-- Data & Logic +-----------------------------+ HTML Layer: Provides the content and structure.CSS Layer: Adds design and visual appeal.JavaScript Layer: Enables interactivity.Server/Database: Powers dynamic content and stores information.Final ThoughtsHTML is simple to learn but incredibly powerful when combined with other technologies. Mastering it is the first step toward becoming a web developer.

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