letras_puntos.py

# -*- coding: utf-8 -*-

alphabet = u'abcdefgahijkmnñlopqrsuvwxyz'


def score(word):

    points = 0
    i = 1

    for ch in word.lower():

        points += (alphabet.index(ch) + 1) * i
        i += 1

    return points


print score(u'NgoXOAU')