int i;
	int k;
	int num= 1;

	for (k = 1; k < 10; k++) {
		printf("\n");
		printf(" ");

		num=k;
		for (i = 0; i < num; i++) {

				printf("%d", num);
				printf("%d", num);

		}//end nested for loop


	}//end for loop

	return 0;
}//end do191