Python · Files & I/O

You want to read and write a .gz file without manually invoking zlib. What does the standard library give you, and how is compression strength set?

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More in Files & I/O

Why prefer with open(...) as f: over a manual open() / f.close() pair?

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Name the core single-letter file modes for open() and what each does when the file already exists.

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Difference between text mode ("t", default) and binary mode ("b") — what type comes back from read()?

Why can specifying encoding= matter, and what does Python use if you omit it in text mode?

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