# a=set()
# a.add(2)
# a.add(4)
# a.add(1)
# a.add(True)
# print(a)

# a={2,6,8,1,5,6,2}
# print(a)

# a=set()
# a.add(2)
# print(a)

# a=set()
# n=int(input("enter the size"))
#     for i in range(n):
#         b= int(input("enter the array elements"))
#         a.add(b)
#     print(a)

# a={1,2,3,4,5,6,7,8,9}
# b=set()
# for i in (a):
#     b.add(i*i)
# print(a)
# print(b)

# s={1,2,3,4,5,6,7,8}
# s.remove(8)
# print(s)
# s.clear()
# print(s)
# del s
# print(s)
# a={1,{2,3}}
# print(a)


# a={1,2,3,4,5,6,7,8,9,12,33,44,55,78,39,44}
# odd=set()
# even=set()
# for i in a:
#     if(i%2==0):
#         even.add(i)
#     else:
#         odd.add(i)
# print("orginal set is",a)
# print("odd set is",odd)
# print("even set is",even)


# s1={1,2,3,4,5,6,7}
# s2={5,6,7,8,9,10}
# common=set()
# for i in s1:
#     if i in s2:
#         common.add(i)
# print(common)
