Jan 14, 2011 · I won't talk about the list structure as that's already been covered in this question. Instead I'll mention my preferred method for dealing with stacks: I always use the Queue …

How can I implement a general tree in Python? Is there a built-in data structure for this?

Oct 12, 2010 · I would suggest Laurent Luce's article "Python list implementation". Was really useful for me because the author explains how the list is implemented in CPython and uses …

16 Take your pick: Python Standard Library - Data Persistance. Which one is most appropriate can vary by what your specific needs are. pickle is probably the simplest and most capable as …

Dec 31, 2009 · 25 Python gives you some powerful, highly optimized data structures, both as built-ins and as part of a few modules in the standard library (list s and dict s, of course, but …

A stack is a Last-In First-Out data structure, meaning that when you pop something from it, that something will be whatever you pushed on last. Take a look at your push function - it appends …

Oct 20, 2013 · From Python built-in data types point-of-view, any value contained elsewhere is expressed as a (hidden) reference to the target object. If it is a variable (i.e. named reference), …

So basically I want to run a query to my SQL database and store the returned data as Pandas data structure. I have attached code for query. I am reading the documentation on Pandas, but …

To this end, I would like a data structure that cheaply maintained its elements in sorted order, and quickly allowed me to find the element before or after a given element. Is there a better way to …

That said, you are very right in saying that choosing a single data structure will impact one or more of searching, sorting or counting, so if performance is paramount and your data is …