title: How to get month interval using "datetime" in python?
body: <p>As every month have different days in it, so i can't apply <em>timedelta</em>=30.</p>
  
  <p>I want to get three variables </p>
  
  <blockquote>
    <p>month_start,</p>
    
    <p>month_end ,</p>
    
    <p>month_days = month_end - month_start</p>
  </blockquote>
  
  <p>Which will be correspond to start date of month and end date of month. and their interval will be number of days in the month.</p>
  
  <p>for instance , for march : month_days = 31, april : month_days = 30</p>