Object-oriented programming (OOP) is a method of structuring a program by bundling related properties and behaviors into individual objects. In this tutorial, you’ll learn the basics of object-oriented programming in Python.

Reads input files to get contact information and stores it into a server then calculates student's risks for getting infected by COVID-19 and simulates student infections based on locations, infections and how many students it should notify

A handy study in the implementation of Mongoose, including Mongoose fundamentals, server configuration, Mongoose Schema, Models, virtual properties, and instance methods.