well, this is really subjective and depends on your learning habits as well as past experience. Take a look at our List of free python resources thread and I'm sure you can find something for your taste.
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs