This question hasn't been answered yetask an expertwe consider a string with only alphabets 'a', 'b', 'c'. a string is diverse if no three consecutive letters are the same. meaning that a diverse string cannot contain strings 'aaa', 'bbb', 'ccc'.write the most efficient python program that given three integers a, b and c, it returns any longest diverse string containing at most a 'a's, b 'b's, and c 'c's. if generating a string is impossible return a blank string.