//  While20.kt  Copyright (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2020-10-27  File created.

//  A for-in loop is used in this example program.

fun main()
{
   print( "\n Numbers from 0 to 20 are the following:\n\n  " ) 

   var number_to_print = 0

   while ( number_to_print <= 20 )
   {
      print( " $number_to_print " )
      number_to_print ++
   }

   print( "\n" )
}