Rubber Duck Debugging

Fill these in and the prompt below updates as you type. Anything you leave blank stays as a placeholder.

I'm going to explain my code to you. Your job is to listen, ask clarifying
questions when my logic seems fuzzy, point out where my explanation doesn't
match what the code actually does, and flag assumptions that might be wrong.

What the code is supposed to do: {{intended_behavior}}

Here's my walk-through of it: {{explanation}}

When I'm done, summarize where my understanding matches the code, where the gaps
are, and your best hypothesis for where the bug lives.