def test1(self):
s = Solution()
num = [1, 3, 5, 7, 2, 4, 6, 8]
target = 9
res = s.twoSum(num, target)
print res
def test2(self):
s = Solution()
num = [3, 2, 4]
target = 6
res = s.twoSum(num, target)
print res
