you give string s contain star in operation canchoose star sRemove close nonstar character leave remove star itselfReturn string star removednotethe input generate operation possibleIt show result string unique Example 1input s leetcodeoutput lecoeexplanation perform removal leave right the close character 1st star t leetcode s leecode the close character 2nd star e leecode s lecode the close character 3rd star d lecode s lecoethere star return lecoeexample 2input s eraseoutput Explanation the entire string remove return string Constraints1 slength 105s consist lowercase english letter star the operation perform s