The second issue is we can do better. I am happy we now live in a time when programmers write their own tests, but we do not hold ourselves to the same standards with tests as we do with production code. That is a reasonable trade-off; there are only so many hours in the day. But what LLMs lack in arithmetical prowess, they make up for in enthusiasm. Let’s ask for an even better test. In the tests, implement the simplest, most readable version of the standard code for quartiles over a fixed set ...