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My agent looked fine — until I gave it an empty list

I built a small tool to test my own AI agent in 10 minutes, instead of trusting that it "looked right." One test from it: "Handle an empty average." The starting code divides by the list length, so an empty list breaks it. The check is simple: handle an empty list safely, keep the normal average, a…

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  1. 2026-10-31 04:40 · DEV Community — AI
    My agent looked fine — until I gave it an empty list

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