How to “add ‘google adsense code’ inside the post or template’’ of blogger (or) website?

Many of he bloggers want to earn more money from goole adsense by blog (or) website.To earn more money by google adsense ads the placement of ads should be perfect and good way.
Here is the trick you can place google adsense ad not only in sidebars and header. But also inside the post  as follows:
Login to Google Adsense >> get the google adsense code >>copy it.
Login to blogger >> Design >>Back Your Template>>Edit HTml>>Expand widgets
Find the below code:
<div class='post-footer'>
and after above code add below code with Replacing “Enter code here“your google adsense code
<!-- Start Google Ad>

Enter code here <!-- End Google Ad-->

save template and done.