# In python set is used to store unique items, and 
# it is possible to find the union, intersection, difference, symmetric difference, subset, super set and disjoint set among sets.
# JS OBJECTS

# syntax
fruits = {'banana', 'orange', 'mango', 'lemon'}
print('mango' in fruits)

fruits.add('lime')
fruits.pop()  # removes the last element from the set