# Python Code Runner - Full Technical Reference > Complete technical specifications, runtime parameters, and architecture details for python-code-runner.com. ## Architecture Specification 1. Runtime Engine: CPython 3.12.7 compiled to WebAssembly (wasm32-unknown-emscripten). 2. WebAssembly Distribution: Pyodide v0.26.4. 3. Virtual Machine Standard: W3C WebAssembly Core Specification 2.0. 4. Memory Model: Linear memory heap starting at 38.4 megabytes, expanding dynamically up to 2048 megabytes. 5. Virtual File System: POSIX-compatible MEMFS running in client memory. Uploaded files register under /home/pyodide/. 6. Package Management: micropip 0.6.0 downloading pure Python wheels from PyPI. Precompiled scientific wheels include numpy 1.26 and matplotlib 3.8. 7. Numerical Precision: IEEE 754-2019 double-precision 64-bit floating point. Arbitrary-precision integers for values exceeding 2^63 - 1. 8. Execution Constraints: Single-threaded WebAssembly worker with 10-second cooperative timeout for runaway loops. ## Geographic and Operational Metadata - Geographic Coordinates: 26.9124 N, 75.7873 E - Locality: Jaipur, Rajasthan, India (IN-RJ) - Postal Code: 302019 - Institution: Mahatma Jyoti Rao Phoole University (MJRPU) - Hosting Model: Static edge CDN delivery with local client execution. ## Developer & Verification Attribution - Developer: Kamlesh Choudhary (devxkamlesh) - Role: Full Stack Engineer & AI Systems Architect - Education: Mahatma Jyoti Rao Phoole University (MJRPU), Jaipur, Rajasthan, India - Profiles: - X / Twitter: https://x.com/devxkamlesh - GitHub: https://github.com/devxkamlesh - LinkedIn: https://in.linkedin.com/in/devxkamlesh