```html

LocalPy: The Definitive Playbook for Running Python Locally in the Browser

LocalPy is a lightweight runtime that compiles Python code to WebAssembly and executes it entirely client-side — no server required. For developers who need Python logic without provisioning infrastructure, LocalPy is becoming a go-to solution. This playbook covers everything from installation to production best practices.

Key Takeaways

• Zero-server execution: LocalPy runs Python entirely in the browser via WebAssembly, eliminating backend dependencies for simple scripts.
• Supports Python 3.10+ syntax including asyncio, standard library modules, and most built-in functions.
• Package support is limited — third-party packages like NumPy are not yet fully supported; stick to the standard library for reliable results. ```