def test_2(self):
a = t(20)
b = t(1)
a.left = b
c = t(40)
a.right = c
d = t(35)
c.left = d
self.assertEqual(sr.searchRange(a,17,37),[20,35])
def test_1(self):
a = t(2)
b=t(1)
a.left = b
self.assertEqual(sr.searchRange(a,0,4), [1,2])