Poll

Go exposes you to (maybe) unfamiliar paradigms and is inherently concurrent, even if you don't use it, it is good if you know it. It also encourages you to think more about structure of your program and not how it executes. There's a talk by Rob Pike called concurrency is not parallelism or something like that, every software engineer should know the difference and golang shows you the way. As a bonus you can use it for general purpose, for writing system programs and even web apps. Since I started with go, I find myself using less and less python.