Python 3에서 os.path 개선
from pathlib import Path filename = Path("source_data/text_files/raw_data.txt") print(filename.name) # prints "raw_data.txt" print(filename.suffix) # prints "txt" print(filename.stem) # prints "raw_data" if not filename.exists(): print("Oops, file doesn't exist!") else: print("Yay, the file exists!")