#include <stdio.h>

/* line 1
 * line 2
 */
int main () {

	float pi = 3.1415926;

  	printf("%10s: %10.2f\n", "PI", pi);
  	printf("%-10s: %10.2f\n", "PI", pi);
  	printf("%10s: %010.2f\n", "PI", pi);

   	return 0;
}
			

%a.bf

• a specifies width
• b specifies the minimum number of digits to be written for integers, specifies the number of digits to be printed after the decimal point for float numbers

%c, character

%d, integer

%f, float

%e, scientific notation

%s, string

-, left alignment

printf