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add tweak #1

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16 changes: 7 additions & 9 deletions crawler.py
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Original file line number Diff line number Diff line change
@@ -1,25 +1,23 @@
import re
import string
import numpy as np
from collections import defaultdict

alphabet = string.ascii_uppercase + ' '


def cbpd_from_book(book):
text = sanitize(open(book, 'r').read())
g = {}
for c1 in alphabet:
g[c1] = {}
for c2 in alphabet:
g[c1][c2] = 0


g = defaultdict(lambda: defaultdict(int))

for i in range(0, len(text) - 1):
g[text[i]][text[i + 1]] += 1

for c1 in g.keys():
for c1 in g:
total = sum(g[c1].values())
for c2 in g[c1].keys():
g[c1][c2] = g[c1][c2] / total
for c2 in g[c1]:
g[c1][c2] /= total

return g

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