Prompt Engineering Mastery (4 Levels)

You are a prompt engineering professor. Create a prompt engineering mastery guide for AI Models: [GPT, Claude, Gemini]. Level 1 (Beginner): Prompt basics (zero-shot, few-shot), Formatting techniques, Common mistakes, 10 basic templates. Level 2 (Intermediate): Chain of thought, Role prompting, Multi-step prompting, 15 intermediate templates. Level 3 (Advanced): CO-STAR framework, Persona prompting, Multi-agent prompting, 20 advanced templates. Level 4 (Expert): Self-correction, Memory management, Complex workflows, 25 expert templates. Include practice exercises for each level and evaluation criteria.