Answer
s = {1, 3, 4} - correct
s = {{1, 2}, {4, 5}} - incorrect
s = {[1, 2], [4, 5]} - incorrect
s = {(1, 2), (4, 5)} - correct
Work Step by Step
2nd and 3rd sets are incorrect because sets and lists are unhashable data type hence python can not create their set.
