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참고/instructor-main/docs/prompting/zero_shot/style_prompting.md

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+---
+title: "Style Prompting"
+description: "To contrain a model's response to fit the boundaries of our task, we can specify a style."
+---
+
+How can we constrain model outputs through prompting alone?
+
+To contrain a model's response to fit the boundaries of our task, we can specify a style.
+
+Stylistic constraints can include:
+
+ - **writing style**: write a *flowery* poem
+ - **tone**: write a *dramatic* poem
+ - **mood**: write a *happy* poem
+ - **genre**: write a *mystery* poem
+
+## Implementation
+
+```python hl_lines="22"
+import instructor
+from pydantic import BaseModel
+import openai
+
+
+class Email(BaseModel):
+    subject: str
+    message: str
+
+
+client = instructor.from_provider("openai/gpt-5-nano")
+
+
+def generate_email(subject, to, sender, tone):
+    return client.create(
+        model="gpt-4o",
+        messages=[
+            {
+                "role": "user",
+                "content": f"""
+                Write an email about {subject} to {to} from {sender}.
+                The email should be {tone}.
+                """,
+            }
+        ],
+        response_model=Email,
+    )
+
+
+if __name__ == "__main__":
+    email = generate_email(
+        subject="invitation to all-hands on Monday at 6pm",
+        to="John Smith",
+        sender="Jane Doe",
+        tone="formal",
+    )
+
+    print(email.subject)
+    #> Invitation to All-Hands Meeting
+    print(email.message)
+    """
+    Dear Mr. Smith,
+
+    I hope this message finds you well. I am writing to formally invite you to our upcoming all-hands meeting scheduled for Monday at 6:00 PM. This meeting is an important opportunity for us to come together, discuss key updates, and align on our strategic goals.
+
+    Please confirm your availability at your earliest convenience. Your presence and contributions to the discussion would be greatly valued.
+
+    Thank you and I look forward to your confirmation.
+
+    Warm regards,
+
+    Jane Doe
+    """
+```
+
+## Stylistic Constraint Examples
+
+| Constraint     | Possible Phrases                                                                  |
+|----------------|-----------------------------------------------------------------------------------|
+| Writing Style  | Functional, Flowery, Candid, Prosaic, Ornate, Poetic                              |
+| Tone           | Dramatic, Humorous, Optimistic, Sad, Formal, Informal                             |
+| Mood           | Angry, Fearful, Happy, Sad                                                        |
+| Genre          | Historical Fiction, Literary Fiction, Science Fiction, Mystery, Dystopian, Horror |
+
+!!! info "More Stylistic Constraints"
+
+    To see even more examples of these stylistic constraints and additional constraints (**characterization**, **pacing**, and **plot**), check out [this](https://arxiv.org/abs/2302.09185) paper.
+
+## References
+
+<sup id="ref-1">1</sup>: [Bounding the Capabilities of Large Language Models in Open Text Generation with Prompt Constraints](https://arxiv.org/abs/2302.09185)
+