def testZeroless(self):
		self.assertEqual(funwithfibo.fibo(-1), 0, msg="the input is less than 0")
	def testNotDigit(self):
		self.assertEqual(funwithfibo.fibo("adee1@"), 0, msg="Not a valid digit")
	def testZero(self):
		self.assertEqual(funwithfibo.fibo(0), 0, msg="the input is 0")