what is difference between union and update method in set.

1.update method()

The update() method updates the current set, by adding items from another set.

example:

set1 = {“apple”, “mango”, “orange”}

set2 = {“one”, ”two”, ”mango”}

set1.update(set2)

print(set1)

output:-{‘two’, ‘one’, ‘orange’, ‘mango’, ‘apple’}

2.union method()

union method return a set as a new set all elements that are in both set.

example:

set1 = {“a”, “b” , “c”}

set2 = {1, 2, 3}

set3 = set1.union(set2)

print(set3)

output:-{1, 2, 3, ‘c’, ‘b’, ‘a’}