Application Requirements
In this lesson, we will look at the requirements of an application which makes computations on the data from a CSV file.
We'll cover the following...
Imagine you’re working with some sales data and one task is to calculate a sum of orders for some products. Your shopping system is elementary, and instead of a database, you have CSV files with the order data. There’s one file per product.
For example, here are the book sales:
| date | coupon code | price | discount | quantity |
|---|---|---|---|---|
| 5-12-2018 | 10.0 | 0 | 2 |