this end, one of the first essential tools for any data scientist is a
knowledge of [git](https://en.wikipedia.org/wiki/Git_(software)).
-Start first with [https://try.github.io/levels/1/challenges/1](Code
-School's simple introduction to git) which gives you the basics of
-using git from the command line.
+Start first with
+[Code School's simple introduction to git](https://try.github.io/levels/1/challenges/1)
+which gives you the basics of using git from the command line.
Then, check out
[set of lectures on Git and GitHub](https://www.youtube.com/playlist?list=PL5-da3qGB5IBLMp7LtN8Nc3Efd4hJq0kD)