improve comment clarity #6

	name: cicd

	# only run this workflow when something is pushed to main
	on:
	push:
	branches:
	- main

	# define our jobs
	jobs:
	build_and_test:
	# define our OS
	runs-on: ubuntu-latest

	# rely on predefined GitHub actions to setup our python environment
	steps:
	- uses: actions/checkout@v2
	# setup python environment
	- name: setup
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	# install prerequisite packages for testing
	- name: install
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	# run tests using pytest
	- name: test
	run: \|
	pytest tests/

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