#  InputOutput.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-05-23  File created.
#  2022-12-16  Converted to Python 3.

#  This is a module named InputOutput and the functions of this
#  module are used by the SortMain.py program

def ask_numbers_to_list( list_of_numbers ) :

   number_of_given_numbers  =  0

   keyboard_input_is_numerical  =  True

   while  keyboard_input_is_numerical ==  True  :

      try :

         print(  "   Enter a number: ", end="" )
         number_from_keyboard  =  float( input() )
         list_of_numbers.append( number_from_keyboard )
         number_of_given_numbers +=  1

      except :

         keyboard_input_is_numerical  =  False

   return  number_of_given_numbers



def print_list_of_numbers( list_of_numbers,
                           number_of_numbers_to_print ) :

   for number_index  in  range( number_of_numbers_to_print ) :

      if  number_index  %  5  ==  0  :

         print( "" ) #  start a new line

      print( "%9.3f"  %  list_of_numbers[ number_index ], end="" )