Added a solution

Leetcode_Palindrome_Number.py

@@ -0,0 +1,19 @@
+"""
+
+
+Given an integer x, return true if x is palindrome integer.
+
+An integer is a palindrome when it reads the same backward as forward. For example, 121 is palindrome while 123 is not.
+
+"""
+class Solution:
+    def isPalindrome(self, x: int) -> bool:
+        if(x<0):
+            return 0
+        else:
+            y = str(x)
+            y = y [::-1]
+            if(x==int(y)):
+                return 1
+            else:
+                return 0