2nd/10_Wiki/Dev/Topic_Python/Python_Sets_Add.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-sets-add	Python Sets Add	Programming_Language	draft	conceptual		Add Set Items 파이썬 셋 추가		B	0.88	2026-07-04	2026-07-04			python programming w3schools sets add update	https://www.w3schools.com/python/python_sets_add.asp

Python Sets Add

🎯 한 줄 통찰 (One-line insight)

add() inserts a single item, while update() merges in every element of ANY iterable (another set, a list, etc.) — mirroring the append()/extend() split on lists. [S1]

🧠 핵심 개념 (Core concepts)

• add(item) — adds one item to the set. [S1]
• update(iterable) — adds all elements from another iterable (set, list, tuple, dict, etc.) into the current set. [S1]

📖 세부 내용 (Details)

• Add one item: thisset.add("orange"). [S1]
• Add from another set: thisset.update(tropical). [S1]
• Add from a list: mylist = ["kiwi", "orange"]; thisset.update(mylist). [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — Join Sets 챕터에서 update()가 합집합(union) 연산으로 재조명된다. [S1]

💻 코드 패턴 (Code patterns)

add() vs update() (Python):

thisset = {"apple", "banana", "cherry"}
thisset.add("orange")           # single item
thisset.update(["kiwi", "mango"])  # any iterable

✅ 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 Sets, Python Sets Join, Python Lists Add
• 참조 맥락: 셋에 항목을 추가하는 2가지 방법 — update()는 Join Sets에서 합집합 연산으로 재사용.

📚 출처 (Sources)

• [S1] W3Schools — Python - Add Set Items — https://www.w3schools.com/python/python_sets_add.asp

📝 변경 이력 (Change history)

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