Python Interview Questions · interview question

Which practice avoids a common mistake with asyncio Event Loop and Tasks?

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Prefer the version of asyncio Event Loop and Tasks that makes behavior less predictable as long as the code still runs.Do not call blocking functions directly inside async code and expect the event loop to stay responsive.Silence the asyncio Event Loop and Tasks problem by using broad catches, hidden globals, or extra shared mutable state.Ignore the asyncio Event Loop and Tasks issue and rely on team discipline instead of clearer APIs or invariants.

Answer and explanation

Correct answer

B. Do not call blocking functions directly inside async code and expect the event loop to stay responsive.

Why

Do not call blocking functions directly inside async code and expect the event loop to stay responsive. This is a common failure mode in real Python code and a frequent interview follow-up.

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Which practice avoids a common mistake with asyncio Event Loop and Tasks?

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