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# _*_ coding=utf-8 _*_

__author__ = 'patrick'

s1 = set("testset")

print(type(s1))

print s1

s2 = set([123,"google","face"])

print s2

s3={"book",123}

print(type(s3))

s3.add("name")

print s3

print type(s3)

s3.pop() # remove not mutable

print s3

# set {}

# list []

# dic ()

a_set ={}

#a_set.add("name")

print(type(a_set))

print a_set

f_set = set("testing") # no duplicated

f_set.add("python")

print f_set

# equal, set subset

b_set=set("se")

print b_set.issubset(f_set)

print "中国"