Printf in C

/*Hello
Today im going to tell you about PRINTF
printf is bassically use for two purposes as in books
but according to me it is use for 3 purposes


*/
#include<stdio.h>
main()
{
 // 1st use

 printf("\nThis is first use of printf .to printf any message .");

 // 2nd use
 //   to printf any value of variable

 int a;
 a=32;
 printf("\nvalue of a is = %d" , a);

 //third use
 // to make sence clear while using scanf

 printf("\nEnter the value of a = ");
 scanf("%d",&a);
 
}