title: different colors for rows in barh chart from pandas dataframe python
body: <p>I have the following pandas dataframe:</p>
  
  <pre><code>              a   b
      bob      23  25
      john     13  21
      paul     20  19
      david    17  14
      michael  14  24
      neil     22  11 
  
      df.plot(kind='barh')
  </code></pre>
  
  <p>I used the pandas plot function.
  I want to make a barh chart with all the rows(names) having a different colors is there a way to do this? </p>
  
  <p><a href="https://i.stack.imgur.com/4A1Iw.png" rel="noreferrer"><img src="https://i.stack.imgur.com/4A1Iw.png" alt="enter image description here"></a> I need all person to have different colored bars. </p>