my_set = set()
my_set = set([1, 2, 3, 4, 5])
my_set = set("hello")
my_list = [1, 2, 3, 4, 5]
my_set = set(my_list)
my_set = set()
my_set.add(1)
my_set.add(2)
my_set = {x for x in range(10)}
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