Lists in Python
If you’ve ever wanted to keep track of a grocery list, a group of friends, or a collection of numbers, you already understand why storing multiple values…
beginner to intermediate
Working with Data
Introduce Python's main data structures and how to use them in practical scenarios.
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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
Have you ever kept a list of names and phone numbers, or flipped through a glossary to find the meaning of a word? In both cases, you’re matching one piece…
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 one of the most practical skills you can pick up as a beginner Python programmer. Whether you want to save your notes, read…
Practice Exercises: Data Structures
Are you ready to turn your Python knowledge into real skills? Practicing with Python data structures is one of the best ways to get comfortable with…
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…