give integer n return string n character character string occur odd number timesthe return string contain lowercase english letter if multiple valid string return Example 1input n 4output pppzExplanation pppz valid string character p occur time character z occur note valid string ohhh loveExample 2input n 2output xyexplanation xy valid string character x y occur note valid string ag urExample 3Input n 7Output holasss Constraints1 n 500