C Language
#include<stdio.h>
#include<conio.h>
void main( )
{
int n, i;
clrscr( );
printf ("Enter n = ");
scanf ("%d" , &n);
for (1 = 1; i <= n; i++)
{
printf ("%d\n", i );
}
getch( );
}
/*OUTPUT*/
Enter n = 7
1
2
3
4
5
6
7