from timeit import timeit

for i in range(3):
    print('set([1, 2, 1])', timeit("set([1, 2, 1])", number=10000))
    print('set((1, 2, 1))', timeit("set((1, 2, 1))", number=10000))
    print('    {1, 2, 1} ', timeit("{1, 2, 1}", number=10000))
    print('dict()        ', timeit("dict()", number=10000))
    print('    {}        ', timeit("{}", number=10000))
    print('list()        ', timeit("list()", number=10000))
    print('    []        ', timeit("[]", number=10000))
    print('\n\n')