2nd/10_Wiki/Dev/Topic_Python/Python_Dictionaries_Change.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
python-dictionaries-change	Python Dictionaries Change	Programming_Language	draft	conceptual		Change Items 파이썬 딕셔너리 수정		B	0.88	2026-07-04	2026-07-04			python programming w3schools dictionaries update	https://www.w3schools.com/python/python_dictionaries_change.asp

Python Dictionaries Change

🎯 한 줄 통찰 (One-line insight)

A dictionary value can be changed either by direct key assignment or via update() with a dict argument — the latter accepts any iterable of key:value pairs, not just a literal dict. [S1]

🧠 핵심 개념 (Core concepts)

• Direct assignment — thisdict["year"] = 2018 changes an existing key's value. [S1]
• update() method — thisdict.update({"year": 2020}) updates using another dict (or key:value iterable) as the argument. [S1]

📖 세부 내용 (Details)

• Direct change: thisdict["year"] = 2018. [S1]
• Update method: thisdict.update({"year": 2020}). [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — update()는 Add Dictionary Items 챕터에서 "키가 없으면 추가"라는 동작으로 확장된다. [S1]

💻 코드 패턴 (Code patterns)

Update a value via update() (Python):

thisdict = {"brand": "Ford", "model": "Mustang", "year": 1964}
thisdict.update({"year": 2020})

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
• 신뢰 점수: 0.88
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: Python Tutorial
• 관련 개념: Python Dictionaries, Python Dictionaries Add
• 참조 맥락: 딕셔너리 값 수정의 기본 — update()는 Add Dictionary Items에서 신규 키 추가로 확장.

📚 출처 (Sources)

• [S1] W3Schools — Python - Change Dictionary Items — https://www.w3schools.com/python/python_dictionaries_change.asp

📝 변경 이력 (Change history)

• 2026-07-04: Initial draft synthesized from the W3Schools "Python - Change Dictionary Items" page (Astra wiki-curation, P-Reinforce v3.1 format).