Hey there 👋🏼

I’m a freelance writer and recovering mathematician passionate about exploring mathematics with code. I love breaking technical concepts down into easy-to-understand chunks to help people learn.

In addition to the tutorials and articles listed below, I am also the author of Real Python’s book Python Basics: A Practical Introduction to Python 3 which reached the #1 spot on Amazon’s Python Programming charts.

Tutorials by David:

• Object-Oriented Programming (OOP) in Python
• How to Round Numbers in Python
• Create and Modify PDF Files in Python
• A Practical Introduction to Web Scraping in Python
• Python GUI Programming With Tkinter
• Python News: What's New From July 2021
• Python News: What's New From June 2021
• Python News: What's New From May 2021
• Python News: What's New From April 2021
• Python News: What's New From March 2021
• Real Python's Office Hours: Learn With Python Experts in Real Time
• Numbers in Python
• Find & Fix Code Bugs in Python: Debug With IDLE
• Itertools in Python 3, By Example
• The Ultimate Guide To Speech Recognition With Python
• Python Basics: Setting Up Python (Course)
• Office Hours Archive (Course)

Tutorials David Contributed to:

• How to Install Python on Your System: A Guide
• The Walrus Operator: Python's Assignment Expressions
• Logging in Python
• Understanding the Python Mock Object Library
• PyTorch vs TensorFlow for Your Python Deep Learning Project
• Build a Blog Using Django, GraphQL, and Vue
• Python range(): Represent Numerical Ranges
• Python's F-String for String Interpolation and Formatting
• Build Your Own Face Recognition Tool With Python
• Develop Data Visualization Interfaces in Python With Dash
• Linear Algebra in Python: Matrix Inverses and Least Squares
• Working With Linear Systems in Python With scipy.linalg
• Discover bpython: A Python REPL With IDE-Like Features
• Build a Tic-Tac-Toe Game With Python and Tkinter
• Build Your Python Project Documentation With MkDocs
• How to Publish an Open-Source Python Package to PyPI
• pandas GroupBy: Your Guide to Grouping Data in Python
• Top Python Game Engines
• Draw the Mandelbrot Set in Python
• Build a Dice-Rolling Application With Python
• Build and Submit HTML Forms With Django – Part 4
• Build and Handle POST Requests in Django – Part 3
• Build a Django Front End With Bulma – Part 2
• Build a Social Network With Django – Part 1
• Build a Command-Line To-Do App With Python and Typer
• Build a Content Aggregator in Python
• Using the "not" Boolean Operator in Python
• A Roadmap to XML Parsers in Python
• Representing Rational Numbers With Python Fractions
• Python 3.10: Cool New Features for You to Try
• Hosting a Django Project on Heroku
• Build a Personal Diary With Django and Python
• A Python Guide to the Fibonacci Sequence
• How Long Does It Take to Learn Python?
• Python's Counter: The Pythonic Way to Count Objects
• Simplify Complex Numbers With Python
• Python's filter(): Extract Values From Iterables
• Visualizing Data in Python Using plt.scatter()
• Build a Bulk File Rename Tool With Python and PyQt
• Natural Language Processing With Python's NLTK Package
• Build a Platform Game in Python With Arcade
• Python Basics: Paperback Now Available!
• Build a Python Directory Tree Generator for the Command Line
• The k-Nearest Neighbors (kNN) Algorithm in Python
• Build an Asteroids Game With Python and Pygame
• Python AI: How to Build a Neural Network & Make Predictions
• Build a Contact Book With Python, PyQt, and SQLite
• Brython: Python in Your Browser
• Python Microservices With gRPC
• Make Your First Python Game: Rock, Paper, Scissors!
• Bitwise Operators in Python
• Use Sentiment Analysis With Python to Classify Movie Reviews
• Fourier Transforms With scipy.fft: Python Signal Processing
• Python 3.9: Cool New Features for You to Try
• Python Community Interview With David Amos
• Plot With pandas: Python Data Visualization for Beginners
• Common Python Data Structures (Guide)
• Data Version Control With Python and DVC
• Pass by Reference in Python: Background and Best Practices
• Generative Adversarial Networks: Build Your First Models
• Python Packages: Five Real Python Favorites
• K-Means Clustering in Python: A Practical Guide
• pandas Project: Make a Gradebook With Python & pandas
• Get Started With Django Part 2: Django User Management
• The Python heapq Module: Using Heaps and Priority Queues
• PySimpleGUI: The Simple Way to Create a GUI With Python
• Build Physical Projects With Python on the Raspberry Pi
• pandas: How to Read and Write Files
• Using PyInstaller to Easily Distribute Python Applications
• Traditional Face Detection With Python
• Reading and Writing Files in Python (Guide)
• Python Development in Visual Studio Code
• Python "for" Loops (Definite Iteration)
• Working With Files in Python
• Async IO in Python: A Complete Walkthrough
• Speed Up Your Python Program With Concurrency
• Memory Management in Python
• Getting Started With Testing in Python
• Image Segmentation Using Color Spaces in OpenCV + Python
• Absolute vs Relative Imports in Python
• Sets in Python
• Advanced Git Tips for Python Developers
• Operator and Function Overloading in Custom Python Classes
• Look Ma, No for Loops: Array Programming With NumPy
• Exercises Course: Introduction to Web Scraping With Python (Course)
• Rounding Numbers in Python (Course)
• Building a Python GUI Application With Tkinter (Course)
• Python Basics Exercises: Scopes (Course)
• Python Basics Exercises: Dictionaries (Course)
• Python Basics Exercises: Installing Packages With pip (Course)
• Python Basics Exercises: Lists and Tuples (Course)
• Python Basics: Lists and Tuples (Course)
• Python Basics Exercises: Functions and Loops (Course)
• Python Basics Exercises: Reading and Writing Files (Course)
• Python Basics Exercises: Strings and String Methods (Course)
• Python Basics Exercises: Modules and Packages (Course)
• Python Basics: Modules and Packages (Course)
• Python Basics Exercises: Building Systems With Classes (Course)
• Python Basics Exercises: Object-Oriented Programming (Course)
• Python Basics Exercises: Conditional Logic and Control Flow (Course)
• Python Basics: Reading and Writing Files (Course)
• Python Basics: Installing Packages With pip (Course)
• Python Basics: Object-Oriented Programming (Course)
• Python Basics Exercises: File System Operations (Course)
• Python Basics: File System Operations (Course)
• Python Basics: Dictionaries (Course)
• Python Basics: Scopes (Course)
• Python Basics: Numbers and Math (Course)
• Python Basics: Strings and String Methods (Course)
• Python Basics: Conditional Logic and Control Flow (Course)
• Python Basics: Functions and Loops (Course)
• Python Basics: Finding and Fixing Code Bugs (Course)
• Python Basics: Code Your First Python Program (Course)
• Speech Recognition With Python (Course)
• Intro to Object-Oriented Programming (OOP) in Python (Course)