Online courses for Git and Github

For those interested in git and github:

https://www.udacity.com/course/ud775

The following 2 are very good:

http://www.dataschool.io/git-and-github-videos-for-beginners/   ….. Very good

and for the most common problems use this link….very very good

https://www.youtube.com/watch?v=h1e8oC7g0Ps&list=PL5-da3qGB5IBLMp7LtN8Nc3Efd4hJq0kD&index=11

https://www.coursera.org/course/datascitoolbox …. has some lessons on git and github