Run Details #737

Question: Write Python 3.12 code only. Define exactly one function named hello_world. The function must print exactly: Hello world Do not use any imports (no numpy, requests, or other libraries). Sandbox note: dunder attribute access is blocked (for example, type(x).__name__). Avoid names/attributes starting with '__'. Expected output format: - Return exactly one fenced Markdown code block starting with ```python and ending with ```. - Put only valid Python code inside that block (no prose before/after). - Use 4 spaces for indentation (not tabs). - Do not return JSON and do not wrap code in a "function" key. Task: Write a Python 3.12 function that prints Hello world.

Submitted code

def hello_world():
    print('Hello world')
```

```python