c-course/c-basic/print_example.c

#include <stdio.h>

int print_example()
{
  int a = 10, b = 20;

  printf("a = %d, b = %d\n", a, b);
  printf("a ? = %d, b ? = %d\n", b , a);
  printf("%d%d\n", a, b);

  return 0;
}