title: raw_input should accept only single character
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/510357/python-read-a-single-character-from-the-user">Python read a single character from the user</a>  </p>
  </blockquote>
  
  
  
  <p>I am using below code.But instead of accepting a single character its allowing user to put more than a single character.</p>
  
  <p>How can I fix that?</p>
  
  <pre><code>guess = raw_input(':')
  guessInLower = guess.lower()
  </code></pre>