Below links are MUST read, if you really use python
Must read, because you will write python code, not C/Java...
Code Like a Pythonista
Must read, to get to know about mutable and immutable object. Things seem not important to beginner but will cause many problems if you don't really understand it.
Must read, because you must understand how does assigment, shallow and deep copy work.
If you dont, prepace to face many bug because lack of knowledge :)
"numbers, strings and tuples are immutable, while dictionaries and lists are mutable."