def normaliseWV(wV, normFac=1.0):
    """
    make char probs divisible by one
    """
    f = sum(wV) / normFac
    return [ i/f for i in wV ]
def normaliseWV ( wV , normFac = 1.0 ) : f = sum ( wV ) / normFac return [ i / f for i in wV ]
make char probs divisible by one