7.How work \n and \t in program:

#include<stdio.h>
int main()
{
    printf("DhakaiscapitalofBangladesh\n");

    printf("Dhaka\nis\ncapital\nof\nBangladesh\n");

    printf("Dhaka\tis\tcapital\tof\tBangladesh\n");

    return 0;
}