Python · Strings, Bytes & Formatting

For case-insensitive comparison of German text, why is casefold() safer than lower()?

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What does this print? ``` print(f"{3.14159:.2f}") ```

What does this print? ``` s = "hello" s.replace("l", "L") print(s) ```

Does calling s.upper() (or .strip(), .replace(), etc.) modify the string s in place?

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You have str text and need to send it over a byte-oriented channel (network/file). Which direction is encode vs decode?

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