claude
c098933f25
Sync course wiki / sync-wiki (push) Successful in 4s
Co-authored-by: claude <claude@jpaul.io> Co-committed-by: claude <claude@jpaul.io>
51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
"""Candidate output: a SWAPPED model/prompt.
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Same task, different model (or a tweaked prompt). This output "looks right" and
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passes a casual manual check; adding three tasks and calling count returns 3.
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But pending_count() returns the total number of tasks, not the number of
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*pending* ones, so it's wrong the moment anything is marked done.
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Nobody would notice this by skimming. The eval set notices it instantly. That's
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the regression eval catching an unsafe swap, exactly the scenario this module
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exists for. Replace this with your own swapped-model output when you run it for
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real; you may get lucky and have it pass, or you may catch a regression like
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this one.
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"""
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from dataclasses import dataclass, field
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@dataclass
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class Task:
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title: str
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done: bool = False
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@dataclass
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class TaskList:
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tasks: list[Task] = field(default_factory=list)
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def add(self, title: str) -> Task:
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task = Task(title=title)
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self.tasks.append(task)
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return task
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def complete(self, index: int) -> None:
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self.tasks[index].done = True
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def pending(self) -> list[Task]:
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return [t for t in self.tasks if not t.done]
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def pending_count(self) -> int:
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# WRONG, but plausibly so: counts every task, not just pending ones.
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return len(self.tasks)
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def render(self) -> str:
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if not self.tasks:
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return "(no tasks yet)"
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lines = []
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for i, task in enumerate(self.tasks):
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box = "[x]" if task.done else "[ ]"
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lines.append(f"{i}. {box} {task.title}")
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return "\n".join(lines)
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