title: eliminate unwanted data from list using python
body: <p>I have a list like this.how can i eliminate <strong>\xe2\x80\x99,\xe2\x80\x9c etc</strong> from my list using python. is there anyway to eliminate these kind of data from my list??
  common pattern is avilable?</p>
  
  <blockquote>
    <p>['guest', 'demo', ':', 'eric', 'iverson', '\xe2\x80\x99s', 'itty',
    'bitty', 'search', 'february', '16', 'th', ',', '2010', 'by',
    'daniel', 'tunkelang', 'respond', 'i', '\xe2\x80\x99m', 'back',
    'from', 'vacation', ',', 'and', 'still', 'digging', 'my', 'way',
    'out', 'of', 'everything', 'that', '\xe2\x80\x99s', 'piled', 'up',
    'while', 'i', '\xe2\x80\x99ve', 'been', 'offline', 'while', 'i',
    'catch', 'up', ',', 'i', 'thought', 'i', '\xe2\x80\x99d', 'share',
    'with', 'you', 'a', 'demo', 'that', 'eric', 'iverson', 'was',
    'gracious', 'enough', 'to', 'share', 'with', 'me', 'it', 'uses',
    'yahoo', '!', 'boss', 'to', 'support', 'an', 'exploratory', 'search',
    'experience', 'on', 'top', 'of', 'a', 'general', 'web', 'search',
    'engine', 'when', 'you', 'perform', 'a', 'query', ',', 'the',
    'application', 'retrieves', 'a', 'set', 'of', 'related', 'term',
    'candidates', 'using', 'yahoo', '\xe2\x80\x99s', 'key', 'terms',
    'api', 'it', 'then', 'scores', 'each', 'term', 'by', 'dividing', 'it',
    'is', 'occurrence', 'count', 'within', 'the', 'result', 'set', 'by',
    'it', 'is', 'global', 'occurrence', 'count', '\xe2\x80\x93a',
    'relevance', 'measure', 'similar', 'to', 'one', 'my', 'former',
    'colleagues', 'and', 'i', 'used', 'at', 'endeca', 'in', 'enterprise',
    'contexts', 'you', 'can', 'try', 'out', 'the', 'demo', 'yourself',
    'at', 'http', '://www', 'ittybittysearch', 'com', '/', 'while', 'it',
    'has', 'rough', 'edges', ',', 'it', 'produces', 'nice', 'results',
    '\xe2\x80\x93especially', 'considering', 'the', 'simplicity', 'of',
    'the', 'approach', 'here', '\xe2\x80\x99s', 'an', 'example', 'of',
    'how', 'i', 'used', 'the', 'application', 'to', 'explore', 'and',
    'learn', 'something', 'new', 'i', 'started', 'with', '["',
    'information', 'retrieval', '"]', 'i', 'noticed', '\xe2\x80\x9c',
    'interactive', 'information', 'retrieval', '\xe2\x80\x9d', 'as', 'a',
    'top', 'term', ',', 'so', 'i', 'used', 'it', 'to', 'refine', 'most',
    'of', 'the', 'refinement', 'suggestions', 'looked', 'familiar', 'to',
    'me', '\xe2\x80\x93but', 'an', 'unfamiliar', 'name', 'caught', 'my',
    'attention', ':', '\xe2\x80\x9c', 'anton', 'leuski', '\xe2\x80\x9d',
    'following', 'my', 'curiosity', ',', 'i', 'refined', 'again',
    'looking', 'at', 'the', 'results', ',', 'i', 'immediately', 'saw',
    'that', 'leuski', 'had', 'done', 'work', 'on', 'evaluating',
    'document', 'clustering', 'for', 'interactive', 'information',
    'retrieval', 'further', 'exploration', 'made', 'it', 'clear', 'this',
    'is', 'someone', 'whose', 'work', 'i', 'should', 'get', 'to', 'know',
    '\xe2\x80\x93check', 'out', 'his', 'home', 'page', '!', 'i', 'can',
    '\xe2\x80\x99t', 'promise', 'that', 'you', '\xe2\x80\x99ll', 'have',
    'as', 'productive', 'an', 'experience', 'as', 'i', 'did', ',', 'but',
    'i', 'encourage', 'you', 'to', 'try', 'eric', '\xe2\x80\x99s', 'demo',
    'it', '\xe2\x80\x99s', 'simple', 'examples', 'like', 'these', 'that',
    'remind', 'me', 'of', 'the', 'value', 'of', 'pursuing', 'hcir', 'for',
    'the', 'open', 'web', 'speaking', 'of', 'which', ',', 'hcir', '2010',
    'is', 'in', 'the', 'works', 'we', '\xe2\x80\x99ll', 'flesh', 'out',
    'the', 'details', 'over', 'the', 'next', 'weeks', ',', 'and', 'of',
    'course', 'i', '\xe2\x80\x99ll', 'share', 'them', 'here']</p>
  </blockquote>