Here is an article that leans more for R vs Python. I personally disagree since I have used both. Data wrangling in R is evil compared to Python. That is a frustrating part of any language including MATLAB. Check out this article here
Remember I still focus on this Python course to help rapidly buildi algo trading bots. Price will be going up really soonNOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!