title: Send keys without specifying element in python selenium webdriver
body: <p>I have a page whose source code is not available, but there is a input box where cursor is blinking.    </p>
  
  <p>Can i write something into the text box without finding the element. I mean, some way where send key can automatically look for focussed inputbox and type input to it.</p>
  
  <p>My code does not work obviuosly</p>
  
  <pre><code>driver.send_keys("testdata")
  </code></pre>