http://www.python-course.eu/
https://www.tecmint.com/35-practical-examples-of-linux-find-command/
https://onlinecourses.science.psu.edu/stat505/node/49
http://www.visiondummy.com/
http://setosa.io/ev/
https://www.mathsisfun.com
http://www.scipy-lectures.org/advanced/scikit-learn/
http://docs.w3cub.com/
https://pyformat.info/
http://www.pythontutor.com
https://www.dartmouth.edu/~rc/classes/intro_openmp/print_pages.shtml
https://computing.llnl.gov/tutorials/openMP/
https://hpc.llnl.gov/training/tutorials
http://www.openmp.org/resources/tutorials-articles/
