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    Writing tests is one of my favourite things to do with copilot, because they are often a bit repetitive and it figure out the patterns I like to use really fast.

    I wrote up a TIL around this here: https://til.simonwillison.net/gpt3/writing-test-with-copilot

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      Also a nice illustration of the correctness problems: the implementation is incorrect for books where the title ends e.g. in a question or an explanation mark.

      On the other hand, it’s a mistake I would totally expect many naive implementations by humans to also make on the first go.

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        Makes me wonder what Copilot would generate if you say that it should work for the rest if the world too. RTL languages, the lot.

        Human-written software is full of such problems, so I suppose copilot will propagate them.