Python Set Union() Method Example

Python set union() is an inbuilt method that returns a set that contains all items from the original set and all items from the specified sets.

Python set union() is an inbuilt method that returns the set that contains all items from the original set and all the elements from the specified sets. You can specify as many sets as you want, separated by the commas. If the element is present in more than one set, the result will contain only one appearance of this item. If A = {2,5,7} and B = {1,2,5,8} are two sets, then the Union ofthese two sets will be AUB={1,2,5,7,8}, though 2 and 5 are common in both the sets, but in result set it will be taken only once.

Python set union()

Python set union() method returns the set that contains all elements from the original set and all elements from the specified sets. You can specify as many sets you want, separated by the commas. If the item is present in more than one set, the result will contain only one appearance of this item.

Syntax

set1.union(set2,set3,set4...)

This method takes arbitrary numbers of elements as parameters.

python python set union

A set is a collection which is unordered and unindexed. In Python, sets are written with curly brackets.

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