__author__ = "HerryZhang"
__coauthor__ = "Micheal Gardner"pip install pipenv
pipenv run pip install pip==18.0
cd this-repo-dir/
pipenv install
pipenv shell
pytest##Git
git fetch origin
git rebase origin/master
git checkout -b algo-ch16
git diff
git add -A
git commit -am "modify readme"
git push