This is my is_palindrome function to be called foris_palindrome_string, I'm supposed to write the functionis_palindrome_string without using lists or any list methods andI'm not sure how to do so Precondition: will contain at least one word. Restrictions: you must use your "is_palindrome" function from lab 3 as a helper for this function, in addition to the lab restrictions defined at the sta 1 answer