you give string s consist letter b in single step remove palindromic subsequence sReturn minimum number step give string emptyA string subsequence give string generate delete character give string change order note subsequence necessarily need contiguousA string call palindrome read backward forward Example 1input s ababaoutput 1explanation s palindrome entirety remove single stepexample 2input s abboutput 2explanation abb bb Remove palindromic subsequence bbExample 3input s baabboutput 2explanation baabb b remove palindromic subsequence baab b Constraints1 slength 1000si b