docs(10_Wiki): 위키 구조 정리 — 언어 튜토리얼 카테고리 폴더 제거 + 신규 자산 동기화

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+---
+id: python-polymorphism
+title: "Python Polymorphism"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["method overriding", "파이썬 다형성"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.9
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["python", "programming", "w3schools", "polymorphism", "inheritance"]
+raw_sources: ["https://www.w3schools.com/python/python_polymorphism.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[Python Polymorphism]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Polymorphism lets one for-loop call `.move()` on Car, Boat, and Plane objects uniformly — and combined with inheritance, a child class can inherit a method wholesale (Car) or override it entirely (Boat, Plane) while still fitting the same interface. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Polymorphism** — "many forms"; methods/functions/operators with the same name executable on many different objects/classes. [S1]
+- **Function polymorphism** — a single function like `len()` behaves appropriately across different types (string length, tuple item count, dict key-value pair count). [S1]
+- **Class polymorphism** — unrelated classes (Car, Boat, Plane) each define their own `move()`; calling `.move()` in a loop over mixed objects "just works" for each type. [S1]
+- **Inheritance + polymorphism** — child classes of a common parent can either inherit the parent's method unchanged (Car) or override it with their own version (Boat, Plane). [S1]
+
+## 🧩 추출된 패턴 (Extracted patterns)
+- **Uniform iteration over mixed types** — `for x in (car1, boat1, plane1): x.move()` works regardless of each object's actual class, because polymorphism guarantees `.move()` exists on all of them with the same call signature. [S1]
+
+## 📖 세부 내용 (Details)
+- `len()` across types: `len("Hello World!")`, `len(("apple","banana","cherry"))`, `len({"brand":"Ford",...})` — same function, different behavior per type. [S1]
+- Unrelated classes sharing a method name: `Car`, `Boat`, `Plane` each define `move()` independently. [S1]
+- Inheritance-based polymorphism: `Vehicle` parent defines `move()`; `Car` inherits it unchanged (`pass`), `Boat`/`Plane` override it with their own version. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 공통 인터페이스를 가진 서로 다른 객체를 동일한 코드로 다뤄야 할 때(예: 도형 넓이 계산) 표준적으로 쓰인다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Uniform call over heterogeneous objects (Python):
+```python
+class Vehicle:
+    def move(self): print("Move!")
+class Car(Vehicle): pass
+class Boat(Vehicle):
+    def move(self): print("Sail!")
+class Plane(Vehicle):
+    def move(self): print("Fly!")
+
+for x in (Car("Ford","Mustang"), Boat("Ibiza","Touring 20"), Plane("Boeing","747")):
+    x.move()
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.90
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[Python Tutorial]]
+- **관련 개념:** [[Python Inheritance]], [[Python Class Methods]]
+- **참조 맥락:** 공통 인터페이스를 가진 이종 객체를 동일하게 다룰 때 사용 — Inheritance와 결합해 메서드 오버라이드로 확장.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — Python Polymorphism — https://www.w3schools.com/python/python_polymorphism.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "Python Polymorphism" page (Astra wiki-curation, P-Reinforce v3.1 format).