title: Reversing and returning a string
body: <p>I am trying to write a function that takes a string and reverses the words in that string, and then returns the string. I have written this code but when I execute it nothing happens. A blank appears. </p>
  
  <pre><code>def reverse(tex):
  new_w = " "
  for i in range(0, len(tex)):
      new_w += text[len(tex) - 1 - i]
  return new_w
  </code></pre>