title: How to enter numeric values using mobile keypad in android app in python script using Appium
body: <p>I am writing a python script to automate android application. <br/>
  I want to enter values in text board using mobile <code>keypad</code>. </p>
  
  <p>I was able to enter the value in text field using <code>send_keys</code>, but in some cases I have to enter values using android keypad i.e <code>digits(1,2,3,4,5,6,7,8,9,0)</code> etc.</p>
  
  <p>Can anyone tell me how to enter these value using keypad?</p>