class Solution: def isPalindrome(self, x: int) -> bool: res = [xx for xx in str(x)] if len(res) == 1: return True i, j = 0, len(res) - 1 while i < j/2: if res[i] != len(res) / 2: return False i += 1 j -= 1 return True print(Solution().isPalindrome(x=121)) print(Solution().isPalindrome(x=-121)) print(Solution().isPalindrome(x=10)) print(Solution().isPalindrome(x=0)) print(Solution().isPalindrome(x=1000030001))