title: sentiwordnet scoring with python
body: <p>I have been working on a research in relation with twitter sentiment analysis. I have a little knowledge on how to code on Python. Since my research is related with coding, I have done some research on how to analyze sentiment using Python, and the below is how far I have come to:
  1.Tokenization of tweets
  2. POS tagging of token
  and the remaining is calculating Positive and Negative of the sentiment which the issue i am facing now and need your help.</p>
  
  <p>Below is my code example:</p>
  
  <pre><code>import nltk
  sentence = "Iphone6 camera is awesome for low light "
  token = nltk.word_tokenize(sentence)
  tagged = nltk.pos_tag(token)
  </code></pre>
  
  <p>Therefore, I want to ask if anybody can help me to show/guide the example of using python to code about sentiwordnet to calculate the positive and negative score of the tweeets that has already been POS tagged. thank in advance</p>