How do I include code or logs in my instructions?

input is plain text, so paste code and logs straight in. Fenced blocks help Cosmos tell instructions from material:

Fix the failing test below. Don't change the public API.

```python
def test_total(): assert total([1, 2]) == 3
```

Error:
```
AssertionError: assert 4 == 3
```

Keep only the relevant parts: input is capped at 20,000 characters. Remove secrets and personal data first.

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