Convert to Dictionary Values that Contains a Set to a List

Question

I am trying to convert a set inside a list like

x = [set(['Halo', 'Bye'])]

into a list:

['Halo', 'Bye']

However when I typed list(x), the result still shows

[set(['Halo', 'Bye'])]

Is there a way to do this?

I have been looking at various Stackoverflow resources like this and this for a solution but nothing works.

If you are using python 3.x, just use tuple unpacking. `x = [*set(['Halo', 'Bye'])]` — Nf4r, Oct 11 '16 at 17:58
I know that u can use it on any iterable, but I was just used to call it tuple unpacking. — Nf4r, Oct 11 '16 at 18:09

lycuid · Answer 1 · 2016-10-11T18:01:38.420

2

x is a list already, but the set you that are trying to convert is an element of the list x.
So, do:

print (list(x[0]))

instead of just list(x) as the set is the first and the only element in the list x.

edited Oct 11 '16 at 18:01

answered Oct 11 '16 at 17:57

lycuid

It works. I didn't realize that I still need to call the first element. Thanks. – Fxs7576 Oct 11 '16 at 18:01

score 0 · Answer 2 · answered Oct 11 '16 at 18:02

0

[item for set_ in x for item in set_]

This will flatten a list of sets (or a list of lists) into just a list

answered Oct 11 '16 at 18:02

Patrick Haugh

2 Answers2