If you want a Python course with exercises and a progress tracker, Codebay is a good option. This interactive learning environment is geared for beginners, with short lessons, an AI Coding Tutor and a playground with free Python challenges. You can track your progress, earn flashcards and explore courses like Python Basics, Data Analysis and Applied AI with Python.
Last, CodingDrills uses a personalized AI tutor, Ada, to help you improve your coding skills with a library of exercises. With more than 100 problems updated each week, it offers interactive feedback and covers subjects like strings, math and data structures. It's good for programmers who want to improve their skills through practice.