Python - 집합자료형

gistfile1.txt

list1 = [11,33,22,77,11,33,77,22,11,66]
s1 = set(list1)
s2 = set((234,567,890,987,234,11,890))
print(list1)
print(s1)
print(s2)
s2.add(22)
s2.update([4455,6677,1122,7788])
print(s2)
s2.remove(6677)
print(s2)

print('------s2다나와라오바-------')
for i in s2:
    print(i)
print('------s2길이나와라오바------')
print(len(s2))