changing plot titles for Chapters 2,3,4, and 5 #339

	name: deploy

	on:
	# Trigger the workflow on push to master branch
	push:
	branches:
	- master

	# This job installs dependencies, build the book, and pushes it to `gh-pages`
	jobs:
	build-and-deploy-book:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	# Install dependencies
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: "3.9"

	- name: Upgrade pip
	run: \|
	# install pip=>20.1 to use "pip cache dir"
	python3 -m pip install --upgrade pip

	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	python3 -m pip install -r ./requirements.txt

	# Build the book
	- name: Build the book
	run: \|
	jupyter-book build content

	# Deploy the book's HTML to gh-pages branch
	- name: GitHub Pages action
	uses: peaceiris/actions-gh-pages@v3.6.1
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: content/_build/html
	cname: learningds.org

Provide feedback