title: Taking input from the user in Tkinter
body: <p><strong>Goal</strong></p>
  
  <ol>
  <li>give the user a text field.</li>
  <li>Print the text that he entered in the field once he presses a button below it into the shell.</li>
  </ol>
  
  <p>How is this possible using Tkinter?</p>
  
  <p><strong>Specs</strong> Python 2.7 on Linux Mint 14</p>