Homework 0 (not to be turned in)

Download the Python code at WAE PLY Code, install ply package in your Python environment:

	pip3 install ply
or
	pip install ply

and run the main program:

	python3 WAE.py
or
	python WAE.py

Documentation for ply is available at https://www.dabeaz.com/ply/ply.html.