Lists in Python
If you’ve ever made a grocery list, kept track of your favorite songs, or collected numbers for a project, you already understand the need to store…
beginner to intermediate
Working with Data
Introduce Python's main data structures and how to use them in practical scenarios.
Tutorials
Articles in Working with Data
Follow these lessons in order, or jump directly to the topic you need.
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Dictionaries in Python
Dictionaries have been my favorite data structure throughout my 20 years as a software engineer. When I interviewed at Google, one of the problems I was…
Tuples and Sets in Python
Learning new data structures is an exciting step in your Python journey! If you’re already familiar with lists, you’re ready to meet two more helpful…
Basic File I/O in Python
Learning to work with files is a practical and essential skill for any beginner Python programmer. Whether you want to save notes, read a list of tasks, or…
Practice Exercises: Data Structures
Ready to build real Python skills? Practicing with Python data structures is one of the best ways to get comfortable with programming—and to prepare for…
Build a Simple Data Project in Python
Are you ready to make your Python skills feel real? One of the best ways to learn is by building something practical. In this tutorial, you'll create a…