Code from Practical Python.
The "porty" directory is a Python package of code that's loaded via
import. The "print-report.py" program is a top-level script that
produces a report. Try it:
shell % python3 print-report.py portfolio.csv prices.csv txt
Name Shares Price Change
---------- ---------- ---------- ----------
AA 100 9.22 -22.98
IBM 50 106.28 15.18
CAT 150 35.46 -47.98
MSFT 200 20.89 -30.34
GE 95 13.48 -26.89
MSFT 50 20.89 -44.21
IBM 100 106.28 35.84
shell %