xxxxxxxxxx
(python3-venv) me@mycomp:chap10-Batteries_Included$ export PYTHONPATH=$PYTHONPATH:$PWD
(python3-venv) me@mycomp:chap10-Batteries_Included$ echo $PYTHONPATH
:/home/me/Documents/CodingProjects/python/Beginning-Python/book/chap10-Batteries_Included
(python3-venv) me@mycomp:chap10-Batteries_Included$