Learn Data Science with Python

Master the fundamentals of Python, Data Science, and Machine Learning with our hands-on courses containing hundreds of exercises, projects, and detailed solutions.


Learn Data Science using Python Now!

Get access to the free Intro to Pandas course

Online Courses

Begin learning now with these world-class courses that contain hundreds of exercises and projects along with detailed solutions.

In-Person Courses

Hands-on, in-person courses on python, data science, and machine learning with expert instructor Ted Petrou.

Corporate Training

Have your team trained on any part of the python data science ecosystem to increase efficiency and productivity.

What is Dunder Data?

Dunder Data is a professional training company founded by Ted Petrou dedicated to teaching Python, data science, and machine learning. Ted strives to deliver the very best possible courses with the most precise, effective, and modern material.

"Once I took the boot camp, my thinking as a data scientist really developed because Ted really focuses on becoming independent - to think like a data scientist, to ask the main question that guides the entire project."

Sayantan Mitra

"The way that he is open to questions, how he engaged with the actual students during the boot camp, he fostered communication between every one of us."

Dario Romero

Join our Mailing List

Sign up to stay updated on the latest tips and advice for navigating the Python data science ecosystem. We will also let you know the latest on Ted's online and in-person courses.


Register for a free account

Upon registration, you'll get access to four free courses.