```json
{
  "messages": [
    {
      "role": "user",
      "content": "Write a Python function to calculate the factorial of a number."
    },
    {
      "role": "assistant",
      "content": "```python"
    }
  ],
  "model": "llama-3.3-70b-versatile",
  "stop": "```"
}
```

---

## Assistant Message Prefilling