title: How to place three bar plots side by side in Pandas?
body: <p>I have three data frames as below. How do I put three bar plots side by side in single frame? </p>
  
  <p><strong>D1:-</strong> </p>
  
  <p>main_sector
  Others                                     2739
  Cleantech / Semiconductors                 2150
  Social, Finance, Analytics, Advertising    1817</p>
  
  <p><strong>D2:-</strong> </p>
  
  <p>main_sector
  Others                                     138
  Cleantech / Semiconductors                 114
  Social, Finance, Analytics, Advertising     95</p>
  
  <p><strong>D3:-</strong></p>
  
  <p>main_sector
  Others                                     102
  News, Search and Messaging                  49
  Social, Finance, Analytics, Advertising     32</p>