title: Get all dates of current month using Python
body: <p>I want to print all dates of current month like this</p>
  
  <pre><code>2019-06-1
  2019-06-2
  2019-06-3
  2019-06-4
  2019-06-5
  ...
  2019-06-28
  2019-06-29
  2019-06-30
  </code></pre>
  
  <p>How can I do it in python?</p>