# s=(1,2,3)

# b=tuple([4,5,6,"ss"])

# print(s,b)

# s=set(s)

# s=set(b)

# print(s)

# li = [[2,3],"22",23]

# li[0] = 4

# s=set(li)

# print(s)

# # d={s:"xx"}

# print( 2 in s)

# s.add('U')

# s.update("UUUUX")

# s.update([1,2,3])

# s.remove(1)

# s.pop()

# print(s)

# print(set("hello") == set("hello"))

# print(set("abcde") < set("abc"))

# print(set("abcde") > set("abc"))

# print(set("abcde") == True)

# print(set("abcde") == False)

# print(type(set()) == False)

# print(2 and 0)

# print(set(["aa","bb"]) and set(["cc","bb",9999]))

# print(set(["aa","bb",111]) or set(["cc","bb"]))

# print(set("abcde").union(set("abc")))

print(set("abc") & set("cde"))

print(set("abc") | set("cde"))