pythonchallenge.com Challenege 2

IDEA:
Need to parse the webpage pythonchallenge.com/pc/def/ocr.html and extract the commented scrap text having loads of chars

We are supposed to find the unique characters from that text.



CODE
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import urllib2

r = urllib2.urlopen('http://www.pythonchallenge.com/pc/def/ocr.html')
h = r.read()

import re

o = re.match(r'.*<!--.*-->.*<!--(.*)-->.*', h, re.S)

print

d = ''
if o:
        print o.group(1)
        d = o.group(1)

h1 = {}

for e in d:
        if e in h1:
                h1[e] = h1[e] + 1
        else:
                h1[e] = 1

op = ''

for k in h1.keys():
        if h1[k] == 1:
                op = op + k

print op
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equality should be the answer

http://www.pythonchallenge.com/pc/def/equality.html