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Have your first real conversation with an AI assistant that can actually do things — and learn the one habit that makes everything else easy.
Read this free lesson → 🛠️ Intermediate · ~15 minUse Claude Code on a real cleanup task, and learn the plan-first, verify-after pattern that separates casual users from confident ones.
Read this free lesson → 🚀 Advanced · ~18 minDesign a small scheduled automation with Claude Code — and the guardrails that make it safe to run while you sleep.
Read this free lesson →Start with any sample. Sign in only when you are ready to save progress or purchase the full course.
Understand prompt caching as a prefix cache: what's cacheable, how the 5-minute and 1-hour lifetimes work, the exact economics of when it pays off, and the silent mistakes that make a cache read nothing at all.
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Signed in as . Every plan opens all the lessons, grading and your certificate. With-projects plans also unlock all 219 project walkthroughs; course-only plans don't.
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