title: Python: Drawing in Turtle window says 'Not Responding'
body: <p>I am trying to draw a square using Python turtle graphics using a <code>for</code> loop. I am able to draw the square but the turtle window says 'Not Responding'. Adding my code below: </p>
  
  <pre><code>import turtle;
  
  Bq = turtle.Turtle()
  
  Bq.shape("turtle")
  
  for i in range(4):
  
        Bq.fd(100)
  
        Bq.lt(90)
  
  Bq.done()       
  </code></pre>