If you've encountered a CSV file and you're unsure what they're for, the good news is they're pretty straightforward and easy-to-use with apps you already know.

A typical CSV file looks like this, where each line contains the same sequence of data so any program which needs to read it knows what to expect: Product, Size, Color, Price Shirt, Medium, Blue, $14 ...

How to read CSV files in Python by importing modules To get started, we’re first going to create our CSV file.

In many situations with very large training data files a better approach is to write a streaming data loader that reads data into a memory buffer, serves data from the buffer, reloading the buffer ...