What's the work

Question

#include and stdio.h

Answer 1

#include is directive command for include other files into current one.
"stdio.h" is standard header file which contains input output related functions and macros, which we can use in our programs then.

Edit :
for more info
https://www.techonthenet.com/c_language/directives/include.php

Sagar Kumar 👍
you're welcome

Answer 2

Thanks boss