def proglen(s):
    """
    Program length is measured in characters, but in order to keep the values
    in a similar range to that of compressibility, DTW and Levenshtein, we
    divide by 100. This is a bit arbitrary.
    
    :param s: A string of a program phenotype.
    :return: The length of the program divided by 100.
    """
    
    return len(s) / 100.0