set.union
Combine the set with other collections.
Python 3.13
set.union(*others)Parameters
- *othersIterable
- The collections whose items go into the result.
Return value
A new set with all the items; the originals are not changed.
Examples
Union of two sets
Python 3.13
print({1, 2}.union({3, 4})){1, 2, 3, 4}Union with a list and a tuple
Python 3.13
print({1, 2}.union([2, 3], (4,))){1, 2, 3, 4}Details
The | operator does the same but accepts only sets, while the method accepts any iterables.