title: validate date : python
body: <p>I want to know how to convert different format dates to expected format in python . </p>
  
  <p>ex : i want to get this format : 2/29/2012 </p>
  
  <p>['2012-02-01 // 2012-02-28', '2/15/2012', '2/13/2012', '2/14/2012', '2/23/2012', '2/18/2012', '2/29/2012']</p>
  
  <p>How to check today date in the range '2012-02-01 // 2012-02-28'</p>
  
  <p>Share your suggestions </p>