I’ve used Python and Go (and JS to a lesser extent) extensively and Go has been consistently faster to iterate with, much better performance, much less headache with build/deploy/dependency issues, much better for teamwork (less pedantry in code review, docs don’t get out of date as easily, types keep people from doing as much pointless magic, etc). Note that the performance point is hard to overstate since with Python it means you run into performance issues far sooner and your options for optimizing are in a much different complexity ballpark which completely eats any iteration velocity gains that you might have had from Python in the first place (in case it was ever a question).