C5-W-1A2, function 'model' got passing the tests

Yes, those are the exact wrong outputs you get if you make the mistake that I just described:

Iteration: 22000, Loss: 20.578871

Hutusaurus
Euca
Eustrioppn
Hocamptopanceus
Xuspeodon
Elacropechus
Uspeodon


last_name Uspeodon

Here’s another thread about that.