title: how to show invert a decimal number in python?
body: <p>How to show invert a decimal number in python?</p>
  <blockquote>
  <p><code>n = 12.789</code></p>
  </blockquote>
  <p>i want to show it like that.</p>
  <blockquote>
  <p><code>print (n)</code></p>
  <p><code>987.21</code></p>
  </blockquote>
  <p>output:987.21</p>