Quick Letter Count Script

gistfile1.py

def letter_frequency(text):
    wdct = {}
    for n in text:
        m = n.lower()
        if m.isalpha():
            wdct[m] = wdct.get(m, 0) + 1
    return sorted([(k,v) for k,v in wdct.iteritems()], key = lambda x : (-x[1], x[0]))


result = letter_frequency('IWT LDGAS XH HIXAA P LTXGS EAPRT, STHEXIT BN TUUDGIH ID BPZT RATPG PCS ETGUTRI HTCHT DU XI.')
print result