class Solution: def isPalindrome(self , x ): # write code here if x < 0:return False i, count = 1, 1 while x//(10**i)!=0:count+=1;i+=1 for i in range(count//2): a,b=10**(i+1),10**(count-i-1) if (x%a)//(a//10) != (x%(b*10))//b:ret...