#s={1,9,7,4}
#print(s)
#print(type(s))
#set does not keep order

#a="abs"
#print(type(a))
#checking type
#curly brases used to identify sets.

#empty set
#s=set()
#print(s)
#print(type(s))

#add elements in set
#s=set()
#print(s)
#print(type(s))
#s.add(9)
#s.add("hello")
#s.add(0.7)
#s.add(True)


#print(s)
# set support different type of datas
#set cannot print duplicate elements
#create set, add elements using loop
#s=set()
#for i in range(1,8):
   # a=input("enter the element")
    #s.add(a)
# print(s)
#s={1,3,5,7,89,2,3,5,7,1}
# print(s)
# s.remove(3)
# print(s)
# s.clear()
# print(s)
# del s
# print(s)
#
# #iterate set
# for i in s:
#     print(i)
#s={1,3},{2,5}
#set instead of set is not possible
