Revert "modified sample code"

This reverts commit 89b5e9b5636ef17332768f9d3ad1359d2ffab9bf.
deleted old folder
Revert "deleted old folder"

This reverts commit 5496e66410e6980a2d489ed91cef9483787fdd85.
Revert "Revert "modified sample code""

This reverts commit cd52eac84b0c7659e07c520ed74caaeb62fdda13.