The script uses the logger system and prints an string. You can try the programm call with and without `-vv`so see the differences of logging levels.
The proginit.py module provides standards for programs. These include program parameters, program configuration files and the log system.
These files create a callable Python package and manage the version number of the complete project in the __about__.py file only. All other parts, including Makefile, will use that version number.