Run Python in the Browser with Pyodide

This post demonstrates how you can execute Python code directly in the browser using Pyodide.

Interactive Python Cell

Type Python code below and press Run. Output appears in the panel under the editor.

def greet(name: str) -> str:
    """Return a friendly greeting."""
    return f"Hello, {name}!"

for who in ("Cascade", "JustGeek"):
    print(greet(who))

Notes

All computation is performed in your browser; no server round-trips are needed.
Uses Pyodide 0.24.1 loaded from the official CDN.
You can modify the code above and re-run it as many times as you want.