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Learn Python in your browser — no install, no setup
Skip the pip / venv / 'add to PATH' rabbit hole. Open a lesson, write code, hit Run.
Most Python tutorials lose the absolute beginner before line one. The setup — Python 3.12 vs 3.11, system Python vs pyenv, Windows PATH, M-series Mac quirks — eats 90 minutes that should have been spent learning. The result: a half-installed dev environment and a half-motivated learner who closes the tab.
CodeMentor AI runs every lesson in your browser. Skulpt boots in two seconds for the editor on lesson pages, Pyodide handles full CPython (pandas, numpy, scipy) inside /playground. The same tabs you already have open — Chrome, Safari, Firefox, Edge — become the dev environment. First fifteen lessons need zero signup, zero card, zero install.