Python 3.12 공식 문서 현재 확인일: 2026-10-11 (문서 페이지 표시 버전 3.12.15)
실행 런타임: Linux Python 3.12.14
https://docs.python.org/3.12/library/os.html#os.scandir
https://docs.python.org/3.12/library/os.html#os.open
https://docs.python.org/3.12/library/os.html#os.read
https://docs.python.org/3.12/library/pathlib.html#pathlib.Path.lstat
https://docs.python.org/3.12/library/functions.html#open
https://docs.python.org/3.12/library/stat.html#stat.S_ISREG
