Let’s rewind the clock. It’s 2020. "Blinding Lights" is on the radio, masks are becoming a wardrobe staple, and tens of thousands of future developers are clicking "Enroll Now" on a Udemy course that would become a modern classic.
Never pay full price on Udemy. Wait for a sale (they happen every two weeks) and grab this for $12.99. That’s roughly $0.50 per hour of world-class training. Have you taken this course? What did you build after finishing it? Let me know in the comments below! Let’s rewind the clock
If you are truly a Zero , this will make you a Hero —even in 2026. Never pay full price on Udemy
You aren't building a trendy NFT marketplace that will be obsolete next week. You are building logic . The Blackjack game teaches you loops and conditionals. The Tic-Tac-Toe AI teaches you game theory logic. These fundamentals haven't changed since 1995. The Bad: The Elephant in the Room (The Year 2020) Let’s be honest. The UI looks dated. The course uses an older version of Jupyter Notebooks. Have you taken this course
More importantly, You won't learn about LangChain, OpenAI APIs, or vector databases. Why? Because ChatGPT didn't exist in 2020.
I’m talking about by Jose Portilla.
Most courses give you video. This course gives you a companion Jupyter Notebook file for every single section. You can read the lecture notes, run the code cells, and experiment without watching the video. It’s a lifesaver for auditory learners who prefer reading.