title: auto correct misspelled words in a list of lists - python
body: <p>I have a list of lists containing words/tokens.</p>
  
  <pre><code>Eg:- [[u'note', u'subject', u'mussage', u'aar', u'install'],[ u'accomplishment', u'survice', u'hte', u'skinn', u'damaged', u'location', u'shown'] 
  </code></pre>
  
  <p>Need a python script which auto corrects the misspelled words and provides the results as.  </p>
  
  <pre><code>Eg:- [[u'note', u'subject', u'message', u'air', u'install'],[ u'accomplishment', u'service', u'the', u'skin', u'damaged', u'location', u'shown']
  </code></pre>
  
  <p>I have around 2 million lists each having more than 5000 words/tokens. How to do a script which completes the job in very short time</p>