About Brenda Weleschuk

Brenda Weleschuk — Editor

Core Real Python team · since 2024

As the Editor at Real Python, Brenda reviews and refines all learning resources to ensure clarity, accuracy, and a learner-first focus. She enjoys working closely with authors and educators to shape engaging tutorials that help Python learners grow their skills.

With a B.A. in English and a background in instructional design, technical writing/editing, and teaching, Brenda brings a sharp editorial eye to the final stages of the content pipeline.

Tutorials by Brenda:

Learn From 2024's Most Popular Python Tutorials and Courses

Tutorials Contributed to by Brenda:

Your Guide to the Python print() Function
Python enumerate(): Simplify Loops That Need Counters
Write Pythonic and Clean Code With namedtuple
Defining Your Own Python Function
Python Hits the Big Screen and Other Python News for June 2025
How to Find an Absolute Value in Python
How Can You Structure Your Python Script?
Control Flow Structures in Python
marimo: A Reactive, Reproducible Notebook
Nested Loops in Python
How to Group Data Using Polars .group_by()
How to Get the Most Out of PyCon US
Python's T-Strings Coming Soon and Other Python News for May 2025
How to Use Loguru for Simpler Python Logging
Sets in Python
Modern Web Automation With Python and Selenium
Managing Python Projects With uv: An All-in-One Solution
Getting Started With Python IDLE
How to Copy Objects in Python: Shallow vs Deep Copy Explained
How to Exit Loops Early With the Python Break Keyword
Namespaces in Python
Using Python's .__dict__ to Work With Attributes
Python News Roundup: April 2025
How to Strip Characters From a Python String
Python's Bytearray: A Mutable Sequence of Bytes
Introducing DuckDB
Python Code Quality: Best Practices and Tools
LangGraph: Build Stateful AI Agents in Python
Python's Instance, Class, and Static Methods Demystified
Python Textual: Build Beautiful UIs in the Terminal
Python News Roundup: March 2025
Bytes Objects: Handling Binary Data in Python
Python while Loops: Repeating Tasks Conditionally
How to Work With Polars LazyFrames
How to Use sorted() and .sort() in Python
How to Manage Python Projects With pyproject.toml
Python News Roundup: February 2025
Python Keywords: An Introduction
How to Join Strings in Python
How to Split a String in Python
Python for Loops: The Pythonic Way
Build a Quiz Application With Python
Build a Dice-Rolling Application With Python
Develop Data Visualization Interfaces in Python With Dash
Top Python Game Engines
Natural Language Processing With spaCy in Python
Build a Tic-Tac-Toe Game With Python and Tkinter
Providing Multiple Constructors in Your Python Classes
A Guide to Modern Python String Formatting Tools
Python & APIs: A Winning Combo for Reading Public Data
Split Your Dataset With scikit-learn's train_test_split()
How to Split a Python List or Iterable Into Chunks
Python's zipfile: Manipulate Your ZIP Files Efficiently
Python's Mutable vs Immutable Types: What's the Difference?
Python's "in" and "not in" Operators: Check for Membership
Lists vs Tuples in Python
Python Folium: Create Web Maps From Your Data
Python's raise: Effectively Raising Exceptions in Your Code
How to Flush the Output of the Python Print Function
How to Download Files From URLs With Python
Executing Python Scripts With a Shebang
Python and TOML: New Best Friends
How to Deal With Missing Data in Polars
Getters and Setters: Manage Attributes in Python
Create and Modify PDF Files in Python
Python Class Constructors: Control Your Object Instantiation
Python Constants: Improve Your Code's Maintainability
How to Install Python on Your System: A Guide
Understanding the Python Mock Object Library
Python's min() and max(): Find Smallest and Largest Values
The subprocess Module: Wrapping Programs With Python
NumPy's max() and maximum(): Find Extreme Values in Arrays
Get Started With Django: Build a Portfolio App
Build a Personal Diary With Django and Python
Variables in Python: Usage and Best Practices
How to Get a List of All Files in a Directory With Python
Primer on Jinja Templating
Python's assert: Debug and Test Your Code Like a Pro
How to Write Beautiful Python Code With PEP 8
Inheritance and Composition: A Python OOP Guide
Operators and Expressions in Python
Python's pathlib Module: Taming the File System
HTML and CSS for Python Developers
Python's urllib.request for HTTP Requests
Image Processing With the Python Pillow Library
Iterators and Iterables in Python: Run Efficient Iterations
How to Remove Items From Lists in Python
Using Python's pip to Manage Your Projects' Dependencies
Working With JSON Data in Python
Strings and Character Data in Python
How to Flatten a List of Lists in Python
Basic Data Types in Python: A Quick Exploration
Get Started With Django User Management
Dictionaries in Python
Build Enumerations of Constants With Python's Enum
Python Classes: The Power of Object-Oriented Programming
Object-Oriented Programming (OOP) in Python
Python's property(): Add Managed Attributes to Your Classes
Dependency Management With Python Poetry
The Walrus Operator: Python's Assignment Expressions
YAML: The Missing Battery in Python
Build Command-Line Interfaces With Python's argparse
Sorting a Python Dictionary: Values, Keys, and More
Primer on Python Decorators
Python Set Comprehensions: How and When to Use Them
Python News Roundup: December 2024
Effective Python Testing With pytest
Asynchronous Tasks With Django and Celery
Python Timer Functions: Three Ways to Monitor Your Code
How to Run Your Python Scripts and Code
Using and Creating Global Variables in Your Python Functions
How to Round Numbers in Python
Linear Regression in Python
Python GUI Programming With Tkinter
When to Use a List Comprehension in Python
Socket Programming in Python (Guide)
Expression vs Statement in Python: What's the Difference?
Basic Input and Output in Python
How to Check if a Python String Contains a Substring
Beautiful Soup: Build a Web Scraper With Python
Python Exceptions: An Introduction
Python String Formatting: Available Tools and Their Features
Logging in Python
Python Virtual Environments: A Primer
Python's F-String for String Interpolation and Formatting
Continuous Integration and Deployment for Python With GitHub Actions
Speed Up Your Python Program With Concurrency
Python range(): Represent Numerical Ranges
Efficient String Concatenation in Python
How to Iterate Through a Dictionary in Python
NumPy Practical Examples: Useful Techniques
Interacting With Python
Using the Python zip() Function for Parallel Iteration
Using the len() Function in Python
Python Dictionary Comprehensions: How and When to Use Them
Python News Roundup: November 2024
How to Reset a pandas DataFrame Index
The Python Square Root Function
Python Closures: Common Use Cases and Examples
Python Thread Safety: Using a Lock and Other Techniques
Structural Pattern Matching in Python
Syntactic Sugar: Why Python Is Sweet and Pythonic
Build a Contact Book App With Python, Textual, and SQLite
Python News Roundup: October 2024
Python 3.13: Cool New Features for You to Try
Python 3.13 Preview: A Modern REPL
Python 3.13 Preview: Free Threading and a JIT Compiler
How to Use Conditional Expressions With NumPy where()
Python News Roundup: September 2024
Generate Images With DALL·E and the OpenAI API
Web Scraping With Scrapy and MongoDB
Python News Roundup: August 2024
Asynchronous Iterators and Iterables in Python
Functional Programming in Python: When and How to Use It
How to Write an Installable Django App
Hugging Face Transformers: Leverage Open-Source AI in Python
Python Protocols: Leveraging Structural Subtyping
How Do You Choose Python Function Names?
Python News Roundup: July 2024
Python's Built-in Functions: A Complete Exploration
Creating Great README Files for Your Python Projects
Build a Guitar Synthesizer: Play Musical Tablature in Python
Ruff: A Modern Python Linter for Error-Free and Maintainable Code
Python Mappings: A Comprehensive Guide
Python News: What's New From May 2024
String Interpolation in Python: Exploring Available Tools
What Are CRUD Operations?
How to Create Pivot Tables With pandas
The Python calendar Module: Create Calendars With Python
Python's Built-in Exceptions: A Walkthrough With Examples
What Is the __pycache__ Folder in Python?
PyTorch vs TensorFlow for Your Python Deep Learning Project
Python News: What's New From April 2024
Python Sequences: A Comprehensive Guide
Python's unittest: Writing Unit Tests for Your Code
What's Lazy Evaluation in Python?
Write Unit Tests for Your Python Code With ChatGPT
How to Format Floats Within F-Strings in Python
Build a Blog Using Django, GraphQL, and Vue
Pydantic: Simplifying Data Validation in Python
Python News: What's New From March 2024
Install and Execute Python Applications Using pipx
Reading and Writing WAV Files in Python
Prompt Engineering: A Practical Example
Build a Python Turtle Game: Space Invaders Clone
Model-View-Controller (MVC) in Python Web Apps: Explained With Lego
Python News: What's New From February 2024
Build an LLM RAG Chatbot With LangChain
The Python return Statement: Usage and Best Practices

Courses Contributed to by Brenda:

Starting With DuckDB and Python
Python Project: Build a Word Count Command-Line App
Exploring Python's list Data Type With Examples
Python Continuous Integration and Deployment Using GitHub Actions
Execute Your Python Scripts With a Shebang
The LEGB Rule & Understanding Python Scope
First Steps With LangChain
Working With Missing Data in Polars
Using the Python subprocess Module
Thread Safety in Python: Locks and Other Techniques
MySQL Databases and Python
Creating a Python Dice Roll Application
Checking for Membership Using Python's "in" and "not in" Operators
Building a Code Image Generator With Python
What Can You Do With Python?
Using Structural Pattern Matching in Python
Getting to Know Duck Typing in Python
Working With Python Polars
Single and Double Underscore Naming Conventions in Python
Concatenating Strings in Python Efficiently
Building a Python Command-Line To-Do App With Typer
NumPy Techniques and Practical Examples
Creating a Scalable Flask Web Application From Scratch
Exploring Python's tuple Data Type With Examples
Building Dictionary Comprehensions in Python
Ways to Start Interacting With Python
Programming Sockets in Python
Handling or Preventing Errors in Python: LBYL vs EAFP
Managing Dependencies With Python Poetry
Working With TOML and Python
Formatting Floats Inside Python F-Strings
Introduction to Web Scraping With Python
Python's Magic Methods in Classes
Understanding Python's Global Interpreter Lock (GIL)
Using Type Hints for Multiple Return Types in Python
What's New in Python 3.13
Differences Between Python's Mutable and Immutable Types
Advanced Python import Techniques
Customizing VS Code Through Color Themes
Using Pydantic to Simplify Python Data Validation
Using Astropy for Astronomy With Python
Exploring Astrophysics in Python With pandas and Matplotlib
Sorting Dictionaries in Python: Keys, Values, and More
Interacting With REST APIs and Python
Simulate a Text File in Python
pandas GroupBy: Grouping Real World Data in Python
Exercises Course: Introduction to Web Scraping With Python
Customize VS Code Settings
Defining Python Constants for Code Maintainability
Build a GUI Calculator With PyQt and Python
Rounding Numbers in Python
Listing All Files in a Directory With Python
Python Interfaces: Object-Oriented Design Principles
Efficient Iterations With Python Iterators and Iterables
Building a Python GUI Application With Tkinter
HTML and CSS Foundations for Python Developers
Flattening a List of Lists in Python
Working With Global Variables in Python Functions
Python Basics Exercises: Scopes
Using raise for Effective Exceptions