How to make a reverse for loop in python?

Gabriel Genellina gagsl-py2 at
Sun Sep 21 02:06:01 CEST 2008

En Sat, 20 Sep 2008 20:27:41 -0300, Alex Snast <asnast at> escribió:

> Another quick question please, is the List data structure just a
> dynamic array? If so how can you use static size array, linked list,
> AVL trees etcetera.

Yes, lists are implemented as dynamic arrays (but you shouldn't care about  
it). "Textbook" linked lists are good for a CS course, but useless in most  
usual circumstances (think of memory fragmentation). There are AVL trees  
implemented in Python, but not built in.
Read the Python Tutorial specially this section
You may be interested in the collections module too

Gabriel Genellina

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