I have the following function which does a crude job of parsing an XML file into a dictionary. Unfortunately, since Python dictionaries are not ordered, I am unable to cycle through the nodes as I would like. How do I change this so it outputs an ordered dictionary which reflects the original order of the … Read more
In Python 3.3 a ChainMap class was added to the collections module:
In Python, How can one subtract two non-unique, unordered lists? Say we have a = [0,1,2,1,0] and b = [0, 1, 1] I’d like to do something like c = a - b and have c be [2, 0] or [0, 2] order doesn’t matter to me. This should throw an exception if a does not contain all elements in b.
I am looking for a solid implementation of an ordered associative array, that is, an ordered dictionary. I want the ordering in terms of keys, not of insertion order.