--- id: python-operators-precedence title: "Python Operators Precedence" category: "Programming_Language" status: "draft" verification_status: "conceptual" canonical_id: "" aliases: ["Operator Precedence", "파이썬 연산자 우선순위"] 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", "operators", "precedence"] raw_sources: ["https://www.w3schools.com/python/python_operators_precedence.asp"] applied_in: [] github_commit: "" --- # [[Python Operators Precedence]] ## 🎯 한 줄 통찰 (One-line insight) Python evaluates parentheses first, then a fixed hierarchy from exponentiation down through logical OR, and falls back to left-to-right evaluation whenever two operators share the same precedence tier. [S1] ## 🧠 핵심 개념 (Core concepts) - **Operator precedence** — the order in which operations are performed. [S1] - **Parentheses highest** — expressions inside `()` are always evaluated first. [S1] - **Same-precedence tie-break** — left-to-right evaluation when precedence is equal. [S1] - **Precedence order (highest → lowest)** — `()` → `**` → unary `+x -x ~x` → `* / // %` → `+ -` → `<< >>` → `&` → `^` → `|` → comparisons/identity/membership (`== != > >= < <= is is not in not in`) → `not` → `and` → `or`. [S1] ## 📖 세부 내용 (Details) - Parentheses first: `print((6 + 3) - (6 + 3))`. [S1] - Multiplication before addition: `print(100 + 5 * 3) # 115, not 315`. [S1] - Left-to-right on equal precedence: `print(5 + 4 - 7 + 3)` evaluates strictly left to right. [S1] ## ⚖️ 모순 및 업데이트 (Contradictions & updates) 소스에서 모순되는 정보는 발견되지 않음. ## 🛠️ 적용 사례 (Applied in summary) 현재 발견된 실제 적용 사례가 없습니다 — 복합 표현식의 평가 순서를 예측해야 할 때 항상 참조하는 표다. [S1] ## 💻 코드 패턴 (Code patterns) Multiplication evaluated before addition (Python): ```python print(100 + 5 * 3) # 115 ``` ## ✅ 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 Operators Arithmetic]], [[Python Operators Bitwise]], [[Python Operators Logical]] - **참조 맥락:** 모든 연산자를 종합한 우선순위 표 — 복합 표현식의 평가 순서 확인용. ## 📚 출처 (Sources) - [S1] W3Schools — Python Operator Precedence — https://www.w3schools.com/python/python_operators_precedence.asp ## 📝 변경 이력 (Change history) - 2026-07-04: Initial draft synthesized from the W3Schools "Python Operator Precedence" page (Astra wiki-curation, P-Reinforce v3.1 format).