title: How to display percentage above grouped bar chart
body: <p>The following are the pandas dataframe and the bar chart generated from it:</p>
  
  <pre><code>colors_list = ['#5cb85c','#5bc0de','#d9534f']
  result.plot(kind='bar',figsize=(15,4),width = 0.8,color = colors_list,edgecolor=None)
  plt.legend(labels=result.columns,fontsize= 14)
  plt.title("Percentage of Respondents' Interest in Data Science Areas",fontsize= 16)
  
  plt.xticks(fontsize=14)
  for spine in plt.gca().spines.values():
      spine.set_visible(False)
  plt.yticks([])
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/ZGgve.jpg" alt="Dataframe">
  <img src="https://i.stack.imgur.com/dQYmx.jpg" alt="Bar Chart"></p>
  
  <p>I need to display the percentages of each interest category for the respective subject above their corresponding bar. I can create a list with the percentages, but I don't understand how to add it on top of the corresponding bar.</p>