Clone the repo and use pip to install it.
git clone https://github.com/Wenyi909/helloworld.git
cd helloworld/
pup install .
To use the executable helloworld command line program:
$ helloworld -h
usage: helloworld [-h] [--howold] [--emotion]
optional arguments:
-h, --help show this help message and exit
--howold print random age
--emotion print random feeling
To use the helloworld Python API
import helloworld
helloworld.helloworld(howold = True, emotion = True)