https://leetcode.com/problems/palindrome-number/submissions/

palindrome.py

from typing import List

def int_to_array(x: int) -> List[int]:

    result = []
    while x > 0:
        tmp = x % 10
        result.append(tmp)
        x = int((x - tmp) / 10)

    return result


class Solution:
    def isPalindrome(self, x: int) -> bool:
        if x < 0:
            return False
        arr = int_to_array(x)
        end = len(arr) - 1
        start = 0

        while start < end:
            if arr[start] == arr[end]:
                start += 1
                end -= 1
            else:
                return False

        return True