Given two Python sets, update the first set with items that exist only in the first set and not in the second set in Python

 set1 = {10, 20, 30}

set2 = {20, 40, 50}

Expected output:

set1 {10, 30}

Code :

set1 = {10, 20, 30}
set2 = {20, 40, 50}
set1.difference_update(set2)
print(set1)