Last year in Python was ok:
my goal was to solve most challanges
and I just used the language I happened to be working with more at the time.
Correction: Turns out I wrote some solutions in Ruby and Haskell last year!
This year, though, I don't have any clear goals in mind. I probably should focus on a systems programing language like C++, Go or Rust. Probably C++. But C++ looks like an horrible language when compared to Go and Rust, which are easier to learn and more fun to use.
Oh, and I promised that I would learn APL more than an year ago.
I'll just do the easier days in Ruby while I don't make up my mind. Ruby solutions for simple tasks can look smaller and cleaner than Python and it's the scripting language I enjoy the most, although I sometimes find myself yearning for a few functional programming features in it (function composition! pipe operator!). But to compensate for that, the objects are a joy to use!