Hi @kaki178925
While this certainly depends on your personal time you can dedicate at the moment to learning and programming, frankly I would recommend to finish your current course first and then focus on the project of your interest. A popular choice for such a practice project could be the Kaggle platform where you can apply your knowledge hands on with real world challenges and learn a lot!
Also regarding specializations, here is a thread which could be interesting for you: How to become an AI Engineer - #4 by Christian_Simonis
Hope that helps. All the best for your learning journey!
Best regards
Christian