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Python · Junior · Theory

What's the difference between an iterable and an iterator? How does a for loop work under the hood?

~4 min by voice

How to approach it

This checks whether the candidate understands Python's iteration protocol: who hands out the iterator, who hands out the elements, how the end is signaled, and what the for loop actually does.

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iteratorsprotocols
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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