def testReverseString(self):
self.assertEqual('1', LoopFun.stringReverse('1'))
self.assertEqual('', LoopFun.stringReverse(''))
self.assertEqual('cb', LoopFun.stringReverse('bc'))
self.assertEqual('xyz', LoopFun.stringReverse('zyx'))
self.assertEqual('oiuyt', LoopFun.stringReverse('tyuio'))
