Quiz · 3 questions

📁 Files & I/O — Talking to the Disk

pathlib / JSON / CSV / pickle / mmap / streaming

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01Why should you always specify encoding="utf-8" when opening text files in Python?

Hint

What changes between operating systems for text-mode files?

02Why must you open CSV files with newline=''?

Hint

Two layers of newline handling — and they fight.

03What's the difference between Path.read_text() and open() + f.read()?

Hint

Convenience method that wraps a with open() block.

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