mutateString.py

def mutate_string(string, position, character):
    new_string = list(string)
    new_string[position] = character
    print("".join(new_string))

string = "randomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomnessrandomness"
position, character = 27 , "p"

mutate_string(string, position, character)