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Python · Junior · Theory

What is a context manager, and how does the with statement work? How do you write your own context manager?

~4 min by voice

How to approach it

They're checking whether you understand the context manager protocol: that with guarantees setup and cleanup code around a block even when there's an exception, which methods make that work, and how to write your own manager as a class or with contextlib.

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context managers
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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

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Best with headphones · ~4 min