Python questions

The best python course for me? Any learning paths? Help would be nice.
Introduction:
Hello! I’m Dhilipan from India. I’m studying 8th grade and want to understand python (I’m 13). A kind of fast learner. I wanted to learn more about python. So, I looked at courses. He is my experience level and questions.

Courses I looked at:

• Introduction to Computer Science and Python by MITx (6.00.1x)
• Python Basics for Data Science
• CS50's Introduction to Programming with Python

Advantages of mine:

• My companion training system, My companion who encourages me to be better, is my sister. She is in 12th grade studying computer science (she is 17). She has a lot more wisdom about python than me. I should at least be close to getting her knowledge.

• My IQ, I have a brain is that pretty capable of understanding these materials. My IQ is around 130. That doesn’t mean my brain is remarkable by ANY means, it just means I have a healthy fluid memory and thinking skills.

• Time. I have a lot of time for the next 20 days, As I’m on summer holidays.

Prior experiences:

When I was 7, I learned how to do HTML. I remember my dad teaching me it and I got the basics down in just a few days/months. I wanted to continue with my HTML by learning CSS, but I found a horrible tutorial and my 7-year-old brain thought that CSS was extremely complex when it wasn’t and I quit CSS and HTML. (Now I forget most of HTML)

I know some basics of python. My basic skill level in python is that can make a basic calculator program using some basic if and print statements. I don’t know that much about loops and algorithms.

Questions:

• What is the best free course for me?
• What will be my upgrade path?
• How much time do you think that I’ll finish a python course?
• Any suggestions?
• Anything that may help me?

Thanks for reading all this!