Select random letters according to the distribution of letters in Finnish language

random-letters.py

#!/usr/bin/python

# Select random letters according to the distribution of letters in Finnish language:
# https://docs.google.com/spreadsheet/ccc?key=0AiZHeDrg3BuddFZfTXVnclQ5UWNkaGVuWmdVT3dzMEE&usp=sharing
# Ignore the uncommon letters c, z, w, q, x and ao

import random
from itertools import repeat
from collections import Counter

random.seed()
alphabet = ((0.11607, "I"), (0.23011, "A"), (0.31651, "T"), (0.39098, "S"), (0.45836, "E"), 
(0.52488, "U"), (0.59058, "K"), (0.65494, "N"), (0.71334, "L"), (0.76748, "O"), (0.80699, "R"),
(0.83889, "AE"), (0.86920, "P"), (0.89892, "M"), (0.92313, "V"), (0.94481, "H"), (0.96644, "Y"), 
(0.97941, "J"), (0.98683, "D"), (0.99417, "OE"), (0.99682, "G"), (0.99847, "F"), (1.00000, "B"))

def find(list, f):
    head, tail = list[0], list[1:]
    if (f(head)):
        return head
    else:
        return find(tail, f)

def getLetter(alphabet):
    r = random.random()
    return find(alphabet, lambda x: x[0] > r)[1]

letters = Counter([getLetter(alphabet) for i in range(1000000)]).most_common()

for a,b in letters:
    print(a, b/10000.0)