Answer
Use with open("file") for auto-close.
Supports read(), write(), binary modes.
Prevents file descriptor leaks.
Supports read(), write(), binary modes.
Prevents file descriptor leaks.
Quick Answer
Context managers for file operations: with open("file.txt", "r") as f: data = f.read(). File closes automatically even if an exception occurs. Process files line-by-line to save memory: for line in f: process(line). Use pathlib.Path for modern file path manipulation: Path("dir") / "file.txt". Read CSV with csv module, JSON with json module. Write binary with "wb" mode.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ