How would I learn data science if I started over?

Hi,

I am beginner in Data Science and machine learning field. I am searching for the tutorials to learn:

How would I learn data science if I started over?

Try to provide me good examples or tutorials links so that I can learn the topic "How would I learn data science if I started over?". Also tell me which is the good training courses in Machine Learning, Artificial Intelligence and Data Science for beginners.

Thanks