It consists of several Core JAVA programming excercises... Including python codes too...
Simply clone the package... Have installed on your PC, Java SE >=1.8 and / or python 3
Navigate to the cloned folder on your commandline and
javac <className.java>
java className
Simply typing : python <filename.py> on the commandline should run the programme.
OR you can open these files in an IDLE you desire - pycharm or python ide
Thank You