Update Solution.py

Author: ashwek

solution/009.Palindrome Number/Solution.py

@@ -4,12 +4,7 @@ def isPalindrome(self, num):
         :type num: int
         :rtype: bool
         """
-        if(num<0): return False
+        if num < 0:
+            return False
 
-        temp = num
-        rev = 0
-        while(temp>0):
-            rev = (rev*10)+(temp%10)
-            temp//=10
-        
-        return (rev == num)
+        return str(num) == str(num)[::-1]