Jul 18, 2022 · Note: Since set elements must be hashable, and lists are considered mutable, you cannot add a list to a set. You also cannot add other sets to a set. You can however, add the …

Jul 18, 2022 · a | b, or a.union(b), is the union of the two sets — i.e., a new set with all values found in either set. This is a class of operations called "set operations", which Python set types …

Jul 18, 2022 · @aehlke: No, that adds the elements of the set to the first set, but we're talking about adding a set as an element of the first set. – Jeff Learman Commented May 30, 2018 at …

Oct 23, 2014 · What you've made is a dictionary and not a Set. The update method in dictionary is used to update the new dictionary from a previous one, like so, >>> abc = {1: 2} >>> …

Mar 4, 2015 · In case you want to update my_set from the sets in an iterable of iterables you must use my_set.update(*[s for s in iterable]), passing a generator in as in my_set.update(s for s in …

Oct 28, 2010 · Note that the representation is just e.g. {1, 2, 3} in Python 3 whereas it was set([1, 2, 3]) in Python 2. – Resigned June 2023 Commented Nov 26, 2017 at 0:04

Jun 21, 2009 · @hegash the d[key]=val syntax as it is shorter and can handle any object as key (as long it is hashable), and only sets one value, whereas the .update(key1=val1, key2=val2) …

I find that when I use the add function of a set structure of python, the element seems to be added in a ...

Jan 19, 2011 · How do you append the elements of a set to a list in Python in the most succinct way? >>> a = [1,2] >>> b = set([3,4]) >>> a.append(list(b)) >&gt ...

I'm trying to make a set of sets in Python. I can't figure out how to do it. Starting with the empty set xx: xx = set([]) # Now we have some other set, for example elements = set([2,3,4]) xx.add