# sets in python
# sets is a collection of non repeatitive elements
'''
Feature of sets
1) they are unordered
2) they are unindexed
3) there is now way to change/update items in sets
4) although we can add/remove any element from the set
5) it cannot contain duplicate items
'''

a = {1, 2, 4, 1 ,6, 5}
print(a)
print(type(a))
