** Introduction**

Before writing any meaningful program, I had to understand the four building blocks of Python: variables, data types, input/output, and basic syntax. This article walks through what each of these means, how they work, and practical examples of using them.

Variables

A variable is a named container that holds a value. Instead of typing "Amina" every time I refer to a driver, I can store it once:

Once created, a variable's value can be reassigned at any point: