human
Smaller palindromic number closest to N | Function to check if a number is palindrome or not.
Stores reverse of N.
Stores the value of N.
Calculate reverse of N.
Update rev.
Update N.
Update N.
If N is equal to rev of N.
Function to find the closest smaller palindromic number to N.
Calculate closest smaller palindromic number to N.
Update N.
Driver Code"
Solution in Python:

=====
Can you provide a code to smaller palindromic number closest to N and the other steps required?
assistant
#Here is code to smaller palindromic number closest to N and the other steps required.
 def checkPalindrome ( N ) :
	rev = 0
	temp = N
	while ( N != 0 ) :
		rev = rev * 10 + N % 10
		N = N // 10
	N = temp
	if ( N == rev ) :
		return True
	return False
def closestSmallerPalindrome ( N ) :
	while N >= 0 and not checkPalindrome ( N ) :
		N -= 1
	return N
if __name__ == ' _ _ main _ _ ' :
	N = 4000
	print ( closestSmallerPalindrome ( N ) )