If we want to represent a group of unique values as a single entity then we should go

for set.

 Duplicates are not allowed.

 Insertion order is not preserved. But we can sort the elements.

 Indexing and slicing not allowed for the set.

 Heterogeneous elements are allowed.

 Set objects are mutable i.e once we creates set object we can perform any changes in

that object based on our requirement.

 We can represent set elements within curly braces and with comma seperation

 We can apply mathematical operations like union, intersection, difference etc on set

objects.