/py — Python Console
Run real Python in your browser — a full CPython interpreter compiled to WebAssembly (Pyodide), in a sandboxed worker. No server, nothing uploaded.
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Python runs entirely on your device via Pyodide (CPython 3.x on WebAssembly, MPL-2.0). The runtime is ~13 MB and loads once, then is cached. The Python standard library is available; third-party packages (numpy, pandas, …) are not loaded here.