The Absolute Beginner's Guide to Python Programming: A Step-by-Step Guide with Examples and Lab Exercises

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

K. WilsonThe Absolute Beginner's Guide to Python Programminghttps://doi.org/10.1007/978-1-4842-8716-3_3

3. Working with Data

Kevin Wilson¹  

(1)

London, UK

 

You can store and manipulate all different types of data: a number, a string, list, and so on. With Python, you don't need to declare all your variables before you use them.

Variables

A variable is a labeled location in memory that is used to store values within a computer program. There are two types of variables: local and global.

Local Variables

Variables defined within a function are called local variables , as they are local to that particular function. These variables can only be seen by the function ...