This app solves the following problem

Given 3 int values, a b c, return their sum. However, if any of the values is a teen -- in the range 13...19
inclusive -- then that value counts as 0, except 15 and 16 do not count as a teen. The input is passed as
command line arguments and output is to be printed on screen

Installation

Make sure the that the ptython version is >=3.8.

Environment Setup

The following demonstrates setting up and working with a development environment:

$ make virtualenv

$ source env/bin/activate

Run cli application

Go to the project root directory and execute the command:

$ python commandline_parser/app.py --help

$ python commandline_parser/app.py -i 10 10 10

$ python commandline_parser/app.py -i 10 10

$ python commandline_parser/app.py -v

Testcases

The command to test it as follows:

$ make test

or

$ pytest

Docker

Included is a basic Dockerfile for building and running the application, and can be built with the included make helper:

$ make docker

$ make run

Docs

This project includes a docs folder containing the sample snapshot of the commandline interface.