I second this. I've been somewhat addicted to HackerRank challenges over the last couple of weeks. Why is not important, don't judge :) The python packages an

I second this. I've been somewhat addicted to HackerRank challenges over the last couple of weeks. Why is not important, don't judge :) The python packages and tooling around learning and science are truly amazing. Try and do the Craigslist category classification without using python and see what I mean.