Find the Closest Palindrome

Question

The program must accept a number N as the input. The program must print the closest palindromic number as the output. If there are two closest palindromic numbers the program must print the smaller n
Example Input/Output 1:
Input:
124

Output:
121umber.

Answer 1

Maybe you can take a look at these threads:
https://www.sololearn.com/Discuss/909089/?ref=app

https://www.sololearn.com/Discuss/1169824/?ref=app