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L5·Intermediate/Advanced

🗂️Pathlib & File I/O

Modern paths and safe file handling.

pathlibopenwith

§ 1Path objects

from pathlib import Path. p / 'sub' / 'file.txt' composes paths. .exists(), .is_file(), .read_text(), .write_text().

§ 2open()

open(path, mode) with mode 'r', 'w', 'a', 'rb', 'wb'. Always use inside with.

Example

1from pathlib import Path​
2p = Path("greeting.txt")​
3p.write_text("Hello!\n")​
4print(p.read_text())​

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Question 1 / 2
Path('a') / 'b' returns:
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