title: Exiting from python Command Line
body: <p>To exit from Python command line, I have to type exit(). If I type exit, it says </p>
  
  <pre><code>Use exit() or Ctrl-Z plus Return to exit
  </code></pre>
  
  <p>Usually when you type <code>exit</code>, you would want to exit the program. Why does the interpreter give me the above error when it knows I am trying to exit the command line? Why doesn't it just exit? I know it doesn't matter and its a silly question but I am curious. </p>