//  Letters.swift  Copyright (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2014-10-01  File created.
//  2016-08-11  Last modification.

import Foundation

func print_uppercase_letters()
{
   print( "\n Uppercase English letters are: \n" )

   //  0x41 is the hexadecimal code of uppercase A
   //  0x5A is the hexadecimal code of uppercase Z

   for letter_character_code  in  0x41 ... 0x5A 
   {
      print( String( format: " %c", letter_character_code ), terminator: "" )
   }
}


func print_lowercase_letters()
{
   print( "\n\n Lowercase English letters are: \n" )

   //  0x61 is the hexadecimal code of lowercase a
   //  0x7A is the hexadecimal code of lowercase z

   for letter_character_code  in  0x61 ... 0x7A 
   {
      print( String( format: " %c", letter_character_code ), terminator: "" )
   }
}


func print_letters()
{
   print_uppercase_letters()
   print_lowercase_letters()

   print( "\n\n" )
}


// The main program in this file is the following single statement.

print_letters()