#define TABS_ON // comment to use width formatting

using System;

int month = 1;

int adults = 1;

int babies = 0;

int total = 1;

​

int counter = 0; // for demo purpose only

​

Console.WriteLine ("Table of rabbit population, in pairs\n");

Console.WriteLine ("Month\tAdults\tBabies\tTotal\n");

​

while (counter < 10 /* dummy condition */)

{

#if TABS_ON

    // alternate way using tabulation

    Console.WriteLine ("{0}\t{1}\t{2}\t{3}", month, adults, babies, total);

#else

    // print current state (-10 width chosen for example, negative for left align)

    // String interpolation isn't handled yet in fiddle

    //Console.WriteLine ($"{month, -10}{adults, -10}{babies, -10}{total, -10}");

    // so using old way to do it

    Console.WriteLine ("{0, -9}{1, -10}{2, -10}{3, -10}", month, adults, babies, total);

#endif

    // do the maths to update values

    ++month;

    adults += counter * 2;

    babies += counter * 3;

    total += counter * 5;

    ++counter; // for demo purpose only

}

​