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exercises-in-programming-style/04-code-golf/tf-04-pn.py

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349 B
Python

# My golf score is slightly lower!
# Best wishes, Peter Norvig
import re, sys, collections
stopwords = set(open('../stop_words.txt').read().split(','))
words = re.findall('[a-z]{2,}', open(sys.argv[1]).read().lower())
counts = collections.Counter(w for w in words if w not in stopwords)
for (w, c) in counts.most_common(25):
print w, '-', c