<gh_stars>0
#class set([iterable])
print(set([1,2,3,1]))
print({1,2,3,1})
print(frozenset([1,2,3,1]))

#class set([iterable])
print(set([1,2,3,1]))
print({1,2,3,1})
print(frozenset([1,2,3,1]))
#class set([iterable])