Reference gym

Plain-English definitions with lesson links.

• A/B testing
• Acceptance criteria
• Adapter (LoRA)
• Adversarial prompt
• Adverse impact

Bite-size tasks with copy-paste prompts.

• How to summarize a long document
• How to write a system prompt
• How to chunk documents for RAG
• How to study a chapter with AI
• How to build a simple chatbot

One-page cards for decisions and checklists.

• Prompt recipe card
• Prompt vs RAG vs fine-tune
• Safe sharing checklist
• Verify AI answers checklist
• Pick a model for your task

Copy-paste starters for APIs and RAG.

• Canary traffic split (sketch)
• Injection test fixture (pytest sketch)
• OpenAI chat — minimal
• OpenAI chat — streaming
• OpenAI embeddings

Chat, embeddings, errors — with examples.

• OpenAI Chat Completions API
• OpenAI Embeddings API
• OpenAI errors & rate limits
• Anthropic Messages API
• OpenAI function calling

Persona jump routes for each learning path.

• Everyday learner — 30-minute start
• School kids — fun safe start
• Student — exam prep + build track
• Professional — productive week one
• Builder — Python to shipped RAG