def main():
largest = 0
for i in range(100, 1000):
for j in range(100, 1000):
test = i * j
if isPalindrome(test):
if test > largest:
largest = test
print('The largest palindrome is %i' % largest)
def testPalindrome(self):
self.assertEqual(isPalindrome("1"), True)
self.assertEqual(isPalindrome(100), False)
self.assertEqual(isPalindrome(101), True)
self.assertEqual(isPalindrome(10000000), False)
self.assertEqual(isPalindrome(123000321), True)