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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-modules Python Modules Programming_Language draft conceptual
import statement
파이썬 모듈
B 0.9 2026-07-04 2026-07-04
python
programming
w3schools
modules
import
https://www.w3schools.com/python/python_modules.asp

Python Modules

🎯 한 줄 통찰 (One-line insight)

A module is just a .py file, imported via import and accessed with dot notation (module.function) — except when using from module import x, which drops the module prefix entirely. [S1]

🧠 핵심 개념 (Core concepts)

  • Module — a code library; a file containing functions (and variables) meant to be reused. [S1]
  • Creating a module — just save code in a .py file. [S1]
  • Using a moduleimport mymodule; mymodule.greeting("Jonathan"). [S1]
  • Module variables — modules can hold variables of any type (dicts, lists, objects), accessed the same dot-notation way. [S1]
  • Aliasingimport mymodule as mx renames the module reference. [S1]
  • Built-in modules — Python ships several ready to import, e.g. platform. [S1]
  • dir() — lists all names (functions/variables) defined in a module, including custom ones. [S1]
  • from ... import ... — imports only specific parts; when used, do NOT prefix with the module name at the call site. [S1]

🧩 추출된 패턴 (Extracted patterns)

  • from import changes the access syntaximport mymodule; mymodule.person1 vs. from mymodule import person1; person1 — mixing these two styles by prefixing after a from import is a common beginner mistake. [S1]

📖 세부 내용 (Details)

  • Create a module (mymodule.py): def greeting(name): print("Hello, " + name). [S1]
  • Use it: import mymodule; mymodule.greeting("Jonathan"). [S1]
  • Alias: import mymodule as mx; a = mx.person1["age"]. [S1]
  • Built-in module: import platform; x = platform.system(). [S1]
  • List module contents: import platform; x = dir(platform). [S1]
  • Partial import: from mymodule import person1; print(person1["age"]). [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

소스에서 모순되는 정보는 발견되지 않음.

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — Python PIP 챕터에서 서드파티 모듈을 설치해 동일한 import 방식으로 사용하는 과정으로 이어진다. [S1]

💻 코드 패턴 (Code patterns)

Aliased import (Python):

import mymodule as mx
a = mx.person1["age"]
print(a)

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)

📚 출처 (Sources)

📝 변경 이력 (Change history)

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