Real Python Tutorials

Python's Bytearray: A Mutable Sequence of Bytes
NEW

Python's Bytearray: A Mutable Sequence of Bytes

In this tutorial, you'll learn about Python's bytearray, a mutable sequence of bytes for efficient binary data manipulation. You'll explore how it differs from bytes, how to create and modify bytearray objects, and when to use them in tasks like processing binary files and network protocols.

Mar 31, 2025 intermediate python

— FREE Email Series —

🐍 Python Tricks 💌

Python Tricks Dictionary Merge

🔒 No spam. Unsubscribe any time.

Browse Topics Guided Learning Paths
Basics Intermediate Advanced
api best-practices career community databases data-science data-structures data-viz devops django docker editors flask front-end gamedev gui machine-learning numpy projects python testing tools web-dev web-scraping

Explore Real Python

Learning Paths
Guided study plans for accelerated learning
Python Tutorials
In-depth articles and step-by-step video courses
Quizzes
Evaluate your Python knowledge with quick tests
Browse Topics
Focus on a specific area or skill level
Community Chat
Learn with other Pythonistas
Office Hours
Live Q&A calls with experts from Real Python
Podcast
Hear what’s new in the world of Python
Books
Round out your knowledge and learn offline
Reference
Concise definitions for common Python terms
Code MentorBeta
Personalized code assistance & intelligent learning tools

New Releases

View All »
Introducing DuckDB

Introducing DuckDB

Mar 26, 2025 intermediate databases data-science python

What Can I Build With Python?

What Can You Do With Python?

Mar 25, 2025 basics career

Python Code Quality Illustration

Python Code Quality: Best Practices and Tools

Mar 24, 2025 intermediate best-practices python tools

LangGraph: Build Stateful AI Agents in Python

LangGraph: Build Stateful AI Agents in Python

Mar 19, 2025 intermediate data-science

Structural Pattern Matching in Python

Using Structural Pattern Matching in Python

Mar 18, 2025 intermediate python

Python classmethods, staticmethods, and instance methods

Python's Instance, Class, and Static Methods Demystified

Mar 17, 2025 intermediate python

Remove ads
Python Textual: Build Beautiful UIs in the Terminal

Python Textual: Build Beautiful UIs in the Terminal

Mar 12, 2025 intermediate front-end tools

Duck Typing in Python: Writing Flexible and Decoupled Code

Getting to Know Duck Typing in Python

Mar 11, 2025 intermediate python

Python Monthly News

Python News Roundup: March 2025

Mar 10, 2025 community

Bytes Objects: Handling Binary Data in Python

Bytes Objects: Handling Binary Data in Python

Mar 05, 2025 intermediate python

Python Polars: A Lightning-Fast DataFrame Library

Working With Python Polars

Mar 04, 2025 intermediate data-science

Python while Loops: Repeating Tasks Conditionally

Python while Loops: Repeating Tasks Conditionally

Mar 03, 2025 basics python

How to Work With Polars LazyFrames

How to Work With Polars LazyFrames

Feb 26, 2025 intermediate best-practices data-science

Single and Double Underscores in Python Names

Single and Double Underscore Naming Conventions in Python

Feb 25, 2025 intermediate best-practices python

How to Use sorted() and sort() in Python

How to Use sorted() and .sort() in Python

Feb 24, 2025 basics python

How to Manage Python Projects With pyproject.toml

How to Manage Python Projects With pyproject.toml

Feb 19, 2025 intermediate tools

Efficient String Concatenation in Python

Concatenating Strings in Python Efficiently

Feb 18, 2025 basics best-practices python

Python Monthly News

Python News Roundup: February 2025

Feb 17, 2025 community