How can I learn advanced Python?
What is the best source to learn Python?
What is the best way to learn Python and django? Is learning Python useful? Should I learn Python and Django? What are the best books for learning Python 3? Can I use Python 2.3 books to learn Python 2.7? Why should I learn Python instead of Java? What are the prerequisites, besides learning Python, to learning the Django framework? Why should I learn Python if I know R? I am good at Java. Now I want to learn Python. What would be the best resources or online courses for me? Where can I learn Python with trading? What are best online resources and video lectures from reputed universities to learn Python and R for data science?