title: apostrophe turning into \x92
body: <p><strong>mycorpus.txt</strong></p>
  
  <pre><code>Human where's machine interface for lab abc computer applications   
  A where's survey of user opinion of computer system response time
  </code></pre>
  
  <p><strong>stopwords.txt</strong></p>
  
  <pre><code>let's
  ain't
  there's
  </code></pre>
  
  <p>The following code   </p>
  
  <pre><code>corpus = set()
  for line in open("path\\to\\mycorpus.txt"):
      corpus.update(set(line.lower().split()))
  print corpus
  
  stoplist = set()
  for line in open("C:\\Users\\Pankaj\\Desktop\\BTP\\stopwords_new.txt"):
      stoplist.add(line.lower().strip())
  print stoplist
  </code></pre>
  
  <p>gives the following output</p>
  
  <pre><code>set(['a', "where's", 'abc', 'for', 'of', 'system', 'lab', 'machine', 'applications', 'computer', 'survey', 'user', 'human', 'time', 'interface', 'opinion', 'response'])
  set(['let\x92s', 'ain\x92t', 'there\x92s'])
  </code></pre>
  
  <p>Why is the apostrophe turning into \x92 in the 2nd set??</p>