docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

이전 재구성 작업에서 Dev/ 폴더가 누락되었던 것을 반영. - Dev/Topic_Programming(중첩 폴더, 78개)은 Dev 자체 최상위 폴더들 (Architecture/Conventions/Engineering_Intelligence 등)과 완전 중복이라 제거. - Dev 최상위 엔지니어링 지식 폴더(Architecture/Conventions/Engineering_Intelligence/ Failure_Library/Generalized_Principles/Language/Pattern_Catalog/Platform_Guides/ Subsystems, 77개)는 이미 Topic_Programming/Topic_Programming에 더 최신 버전이 존재해 중복 제거(고유 콘텐츠 1개는 예외 처리하여 이동 보존). - Dev의 W3Schools 언어 튜토리얼 폴더(Topic_C/CPP/CSS/CSharp/HOWTO/HTML/Java/ JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동. - 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리. - Topic_Programming 최종 문서 수: 2784 → 3985.
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+---
+id: python-variable-names
+title: "Python Variable Names"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["Camel Case", "Pascal Case", "Snake Case", "파이썬 변수명 규칙"]
+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", "variables", "naming"]
+raw_sources: ["https://www.w3schools.com/python/python_variables_names.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[Python Variable Names]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+A legal Python variable name must start with a letter or underscore, contain only alphanumerics/underscores, avoid Python keywords, and is always case-sensitive — with Camel/Pascal/Snake case as the three common multi-word naming conventions. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Naming rules** — must start with a letter or `_`; cannot start with a number; only alphanumeric characters and underscores allowed; case-sensitive; cannot be a Python keyword. [S1]
+- **Legal examples** — `myvar`, `my_var`, `_my_var`, `myVar`, `MYVAR`, `myvar2`. [S1]
+- **Illegal examples** — `2myvar` (starts with digit), `my-var` (hyphen), `my var` (space). [S1]
+- **Camel Case** — `myVariableName` (first word lowercase, rest capitalized). [S1]
+- **Pascal Case** — `MyVariableName` (every word capitalized). [S1]
+- **Snake Case** — `my_variable_name` (words separated by underscores). [S1]
+
+## 📖 세부 내용 (Details)
+- Legal names: `myvar = "John"`, `_my_var = "John"`, `myVar = "John"`. [S1]
+- Illegal names: `2myvar`, `my-var`, `my var`. [S1]
+- Three multi-word conventions: Camel/Pascal/Snake case, each solving readability differently. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+소스에서 모순되는 정보는 발견되지 않음.
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — Snake Case는 Python 커뮤니티의 사실상 표준 변수/함수 명명 관례로 이후 모든 예제에서 암묵적으로 따라진다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Three naming conventions (Python):
+```python
+myVariableName = "John"   # Camel Case
+MyVariableName = "John"   # Pascal Case
+my_variable_name = "John" # Snake Case
+```
+
+## ✅ 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 Variables]], [[Python Assign Multiple Values]]
+- **참조 맥락:** 변수명 작성 규칙 — Snake Case가 Python 관례상 사실상 표준.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — Python Variable Names — https://www.w3schools.com/python/python_variables_names.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "Python Variable Names" page (Astra wiki-curation, P-Reinforce v3.1 format).