Definition
The union() method returns a set that contains all items from the original set, and all items from the specified sets. You can specify as many sets you want, separated by commas. If an item is present in more than one set, the result will contain only one occurrence of this item.
Syntax
set.union(set1, set2...)
Parameters
| Parameter | Description |
|---|---|
| set1 | Required. The set to unify with |
| set2... | Optional. The other set to unify with. You can compare as many sets as you like. Separate each set with a comma. |
Examples:
persons1 = {"Mark", "Jeff", "Ivan", "Mike"}
persons2 = {"Arnel", "Marie", "Ivan", "Alex"}
persons = persons1.union(persons2)
print(persons)
# example with 3 sets
persons1 = {"Mark", "Jeff", "Ivan", "Mike"}
persons2 = {"Arnel", "Marie", "Ivan", "Alex"}
persons3 = {"Ivan", "Cindy", "Sarah", "Igor"}
persons = persons1.union(persons2, persons3)
print(persons)