lettercount.py

   1 import collections
   2 import string
   3
   4 def sanitise(text):
   5     return [l.lower() for l in text if l in string.ascii_letters]
   6
   7 corpora = ['shakespeare.txt', 'sherlock-holmes.txt', 'war-and-peace.txt']
   8 counts = collections.defaultdict(int)
   9
  10 for corpus in corpora:
  11     text = sanitise(open(corpus, 'r').read())
  12     for letter in text:
  13         counts[letter] += 1
  14
  15 sorted_letters = sorted(counts, key=counts.get, reverse=True)
  16
  17 with open('count_1l.txt', 'w') as f:
  18     for l in sorted_letters:
  19         f.write("{0}\t{1}\n".format(l, counts[l]))
  20
  21