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---
id: python-dictionaries-loop
title: "Python Dictionaries Loop"
category: "Programming_Language"
status: "draft"
verification_status: "conceptual"
canonical_id: ""
aliases: ["Loop Dictionaries", "파이썬 딕셔너리 반복"]
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", "dictionaries", "loop"]
raw_sources: ["https://www.w3schools.com/python/python_dictionaries_loop.asp"]
applied_in: []
github_commit: ""
---
# [[Python Dictionaries Loop]]
## 🎯 한 줄 통찰 (One-line insight)
A plain `for x in dict` loop yields KEYS by default, not values — to get values directly or both key and value together, you need `.values()` or `.items()` respectively, with items() enabling the two-variable unpacking form `for x, y in dict.items()`. [S1]
## 🧠 핵심 개념 (Core concepts)
- **Default loop yields keys** — `for x in thisdict: print(x)` prints key names. [S1]
- **Get values via key** — `for x in thisdict: print(thisdict[x])`. [S1]
- **`.values()` loop** — `for x in thisdict.values(): print(x)` iterates values directly. [S1]
- **`.keys()` loop** — `for x in thisdict.keys(): print(x)` — explicit equivalent of the default loop. [S1]
- **`.items()` loop** — `for x, y in thisdict.items(): print(x, y)` unpacks key and value together. [S1]
## 📖 세부 내용 (Details)
- Keys by default: `for x in thisdict: print(x)`. [S1]
- Values via key lookup: `for x in thisdict: print(thisdict[x])`. [S1]
- Values directly: `for x in thisdict.values(): print(x)`. [S1]
- Both key and value: `for x, y in thisdict.items(): print(x, y)`. [S1]
## ⚖️ 모순 및 업데이트 (Contradictions & updates)
소스에서 모순되는 정보는 발견되지 않음.
## 🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — Nested Dictionaries 챕터에서 items() 순회가 중첩 구조 탐색에 재사용된다. [S1]
## 💻 코드 패턴 (Code patterns)
Loop through both keys and values (Python):
```python
thisdict = {"brand": "Ford", "model": "Mustang", "year": 1964}
for x, y in thisdict.items():
print(x, y)
```
## ✅ 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 Dictionaries Access]], [[Python Dictionaries Nested]], [[Python For Loops]]
- **참조 맥락:** 딕셔너리 순회의 5가지 방식 — items()는 중첩 딕셔너리 순회에도 재사용된다.
## 📚 출처 (Sources)
- [S1] W3Schools — Python - Loop Dictionaries — https://www.w3schools.com/python/python_dictionaries_loop.asp
## 📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "Python - Loop Dictionaries" page (Astra wiki-curation, P-Reinforce v3.1 format).