#  ArrayListDemo.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-05-20  File created.
#  2022-12-18  Converted to Python 3.

#  A better name for this program might be ListDemo.py

#  This program works in the same way as ArrayListDemo.java


def print_list( given_list ) :

   print( "\n" )

   for list_element in given_list :

      print( "%5s"  %  list_element, end=" " )


#  The main program begins.


list_of_integers  =  []

list_of_integers.append( 202 )
list_of_integers.append( 101 )
list_of_integers.append( 505 )
list_of_integers.append( 404 )

print( "\n Value 404 has index:  %d"   %  list_of_integers.index( 404 ), end="" )
print_list( list_of_integers )

list_of_integers.insert( 2, 999 )
list_of_integers.insert( 2, 888 )
print_list( list_of_integers )

list_of_integers.pop( 4 )      #  removes the element that has index 4
print_list( list_of_integers )

list_of_integers.remove( 888 )  # removes the value 888
print_list( list_of_integers )

another_list  =  []
another_list.append( 777 )
another_list.append( 666 )
print_list( another_list )

list_of_integers  =  list_of_integers  +  another_list
print_list( list_of_integers )

list_of_integers[ 3 ]  =  list_of_integers[ 3 ]  +  7
print_list( list_of_integers )

print( "" )
#  Note that a simpler way to print a list is to write

#  print list_of_integers