How to print ( with printf ) complex number? For example, if I have this code:

```
#include <stdio.h>
#include <complex.h>
int main(void)
{
    double complex dc1 = 3 + 2*I;
    double complex dc2 = 4 + 5*I;
    double complex result;

    result = dc1 + dc2;
    printf(" ??? \n", result);

    return 0;
}

```

..what conversion specifiers ( or something else ) should I use instead "???"