Python Made Easy: A Beginner’s Guide to Coding, Data Structures, and Practical Applications

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2026

M. GählerPython Made Easyhttps://doi.org/10.1007/979-8-8688-2133-2_3

3. Components of Code

Marco Gähler¹  

(1)

Zürich, Zürich, Switzerland

 

In this chapter, we will look at the basic components of code. We will start with variables, which are the most basic building blocks of code. We will then move on to strings, lists, dicts, and tuples. These are the most important data structures in Python and also in any other programming language. We will also look at the basic operations that can be performed on these data structures.

Mutable and Immutable Objects

Mutable objects can be changed after they have been created. You can create a list (p. 20) and change a single ...